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

1 Scope 1.1 This Standard applies to flexible metal conduit and liquid-tight flexible metal conduit, trade sizes 12(3/8) to 103(4), excluding 14(7/16), intended for use as a metal raceway for the installation of conductors in accordance with the Canad

定价: 910元 / 折扣价: 774

在线阅读 收 藏

1.1 Scope 1.1.1 These requirements apply to manually operated valves for high pressure natural gas. 1.1.2 These requirements do not apply to cylinder shut-off valves. 1.1.3 A valve that complies with the requirements for a Class A valve may b

定价: 637元 / 折扣价: 542

在线阅读 收 藏
ANSI Z21.56-2006/CSA 4.7-2006 Gas-Fired Pool Heaters 现行 发布日期 :  1970-01-01 实施日期 : 

定价: 6507元 / 折扣价: 5531

在线阅读 收 藏

1 Scope This clause of part 1 is replaced by: This standard deals with the safety of electric projectors and similar appliances for household and similar purposes, their rated voltage being not more than 250 V. NOTE 1 - Examples of appliances that

定价: 546元 / 折扣价: 465

在线阅读 收 藏
Z107.56-06 Procedures for the Measurement of Occupational Noise Exposure 现行 发布日期 :  1970-01-01 实施日期 : 

Preface This is the third edition of CSA Z107.56, Procedures for the measurement of occupational noise exposure, which is part of the CSA Z107 series of Standards on acoustics and noise control. It supersedes the previous editions published in 1994 a

定价: 501元 / 折扣价: 426

在线阅读 收 藏

定价: 592元 / 折扣价: 504

在线阅读 收 藏
7 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