微信公众号随时随地查标准

QQ交流1群(已满)

QQ群标准在线咨询2

QQ交流2群

购买标准后,可去我的标准下载或阅读
CAN3-B232-75 (R2002) Keys, Keyseats and Keyways (CSA B232-1972) 现行 发布日期 :  1970-01-01 实施日期 : 

1. Scope 1.1 This Standard establishes a uniform relationship between shaft size and key size for parallel and taper keys. 1.2 This Standard covers the size, type and tolerances of paralle l and taper keys, and their relationship to shaft diameter

定价: 319元 / 折扣价: 272

在线阅读 收 藏
CAN3-G312.1-75 (R2003) Preferred Metric Dimensions for Flat Metal Products 现行 发布日期 :  1970-01-01 实施日期 : 

1. Scope 1.1 This Standard establishes first and second preference series of thicknesses, widths, and lengths for flat metal products. It applies to those products conventionally known as plate, sheet, strip, foil, and ribbon, where the width is subst

定价: 364元 / 折扣价: 310

在线阅读 收 藏

定价: 2867元 / 折扣价: 2437

在线阅读 收 藏

定价: 3777元 / 折扣价: 3211

在线阅读 收 藏

定价: 7462元 / 折扣价: 6343

在线阅读 收 藏

1.1 Scope 1.1.1 This standard applies to newly produced, large automatic storage water heaters having input ratings above 75,000 Btu per hour (21 980 W), instantaneous water heaters, circulating water heaters, including booster water heaters (see Part

定价: 6780元 / 折扣价: 5763

在线阅读 收 藏

Details test and examination criteria for connectors suitable for non-rigid connection of outdoor gas appliances not frequently moved after installation, or manufactured (mobile) homes to gas supply lines containing natural, manufactured, mixed and liquef

定价: 728元 / 折扣价: 619

在线阅读 收 藏

定价: 546元 / 折扣价: 465

在线阅读 收 藏

Details test and examination criteria for connectors suitable for non-rigid connection of outdoor gas appliances not frequently moved after installation, or manufactured (mobile) homes to gas supply lines containing natural, manufactured, mixed and liquef

定价: 683元 / 折扣价: 581

在线阅读 收 藏

1 Scope and object This part of IEC 61000 is concerned with the emission of voltage changes, voltage fluctuations and flicker produced by equipment and impressed on the public low-voltage supply system. It specifies the limits of voltage changes produc

定价: 683元 / 折扣价: 581

在线阅读 收 藏

Scope: Details test and examination criteria for automatic storage water
heaters with input ratings of 75,000 Btu per hour (21 980 W) or less for use with natural, manufactured and mixed gases, liquefied petroleum gases, and LP gas-air mixtures.

定价: 819元 / 折扣价: 697

在线阅读 收 藏

1.1 Scope 1.1.1This standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu per hour (21 980 W) or less (see Part IV, Definitions), hereinafter referred to as water heaters or appliances, constructed enti

定价: 728元 / 折扣价: 619

在线阅读 收 藏
15 条记录,每页 15 条,当前第 1 / 1 页 第一页 | 上一页 | 下一页 | 最末页  |     转到第   页