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

定价: 1411元 / 折扣价: 1200

在线阅读 收 藏
AS 2016-1977 Rules for road tank vehicles for flammable liquids 现行 发布日期 :  1977-03-09 实施日期 : 

定价: 702元 / 折扣价: 597

在线阅读 收 藏

定价: 1294元 / 折扣价: 1100

在线阅读 收 藏

定价: 819元 / 折扣价: 697

在线阅读 收 藏

C22.1-06 Preface This twentieth edition of the Canadian Electrical Code, Part I, was approved by the Committee on the Canadian Electrical Code, Part I, and by the Regulatory Authority Committee at their June 2005 meetings in Kelowna, British Columbi

定价: 865元 / 折扣价: 736

在线阅读 收 藏

定价: 7872元 / 折扣价: 6692

在线阅读 收 藏

1. Scope and Object This standard applies, when required by the relevant product standard, to switchgear and controlgear hereinafter referred to as "equipment" and intended to be connected to circuits, the rated voltage of which does not exceed 1000 V

定价: 2321元 / 折扣价: 1973

在线阅读 收 藏

1. Scope This part of International Standard IEC 71 applies to three- phase a.c. systems having a highest voltage for equipment above 1 kV. It specifies the procedures for the selection of the standard withstand voltages for the phase-to-earth, phase-t

定价: 865元 / 折扣价: 736

在线阅读 收 藏
33 条记录,每页 15 条,当前第 2 / 3 页 第一页 | 上一页 | 下一页 | 最末页  |     转到第   页