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定价: 546元 / 折扣价: 465

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Scope Details test and examination criteria for portable camp heaters, including the infrared or radiant type but not the catalytic type for use with liquefied petroleum or propane HD-5 only, having input ratings of 12,000 Btu per hour ( 3.52 kW) or le

定价: 728元 / 折扣价: 619

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Scope Details test and examination criteria for ventless firebox enclosures for unvented decorative room heaters. Fireboxes covered by this standard are intended for use with unvented decorative room heaters which comply with ANSI Z21.11.2 for installat

定价: 774元 / 折扣价: 658

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Scope Details test and examination criteria for ventless firebox enclosures for unvented decorative room heaters. Fireboxes covered by this standard are intended for use with unvented decorative room heaters which comply with ANSI Z21.11.2 for install

定价: 728元 / 折扣价: 619

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定价: 592元 / 折扣价: 504

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1.1 Scope 1.1.1 This standard applies to newly produced unvented catalytic room heaters (see Part IV, Definitions), hereinafter referre d to as heaters, constructed entirely of new, unused parts and materials, having input ratings up to and including

定价: 819元 / 折扣价: 697

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Preface The standards set forth herein apply to the third edition of the Standard for Gas-Fired Unvented Catalytic Room Heaters for Use with Liquefied Petroleum (LP) Gases, ANSI Z21.76-1994, and Addenda Z21.76a-1996, and supersede corresponding standar

定价: 865元 / 折扣价: 736

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Scope: Details test and examination criteria for gas-fired high-intensity infrared heaters for use with natural,manufactured, mixed and liquefied petroleum (propane) gases and may be convertible for use with natural and LP-gases. Applies to heaters f

定价: 728元 / 折扣价: 619

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定价: 728元 / 折扣价: 619

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Scope: Details test and examination criteria for gas-fired low-intensity infrared and infrared radiant tube heaters, with inputs up to 400,000 Btu/hr per burner, for use with natural, manufactured, mixed and liquefied petroleum (propane) gases and may

定价: 683元 / 折扣价: 581

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Scope Details test and examination of criteria for direct gas-fired industrial air heaters of the non-recirculating type, for use with nat., mfd. and mixed gases, LP gases, and LP gas-air mixtures. A direct gas-fired industrial air heater of the non-re

定价: 683元 / 折扣价: 581

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Preface The standards set forth herein apply to the first edition of the Standard for Direct Gas-Fired Circulating Heaters for Agricultural Animal Confinement Buildings, ANSI/IAS LC 2-1996, and supersede corresponding standards therein. Following their

定价: 819元 / 折扣价: 697

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Scope Details test and examination for direct gas-fired industrial air heaters of the non-recirculating type,for use with nat.,mfd. and mixed gases,LP gases,and LP gas-air mixtures. A direct gas fired industrial air heater of the non-recirculating type

定价: 683元 / 折扣价: 581

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