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1 Scope 1.1 This Standard applies to complete flue-connected, oil-fired service water heaters that are provided with automatic control devices. These service water heaters may be used both for heating and for supplying of domestic hot water. They are

定价: 455元 / 折扣价: 387

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定价: 728元 / 折扣价: 619

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定价: 637元 / 折扣价: 542

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定价: 637元 / 折扣价: 542

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Details test and examination criteria for gas appliance pressure regulators for use with natural, manufactured and mixed gases, liquefied petroleum gases and LP gas-air mixtures. Such devices, either individual or in combination with other controls, are

定价: 683元 / 折扣价: 581

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定价: 592元 / 折扣价: 504

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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: 774元 / 折扣价: 658

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