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

Update #2 was published as notification that this is now a national standard of Canada. 1. Scope 1.1 This Standard specifies requirements for the installation of electric storage tank and heat pump water heaters intended for use in residential pre

定价: 455元 / 折扣价: 387

在线阅读 收 藏

定价: 1177元 / 折扣价: 1001

在线阅读 收 藏

定价: 605元 / 折扣价: 515

在线阅读 收 藏

1. Scope 1.1 This Standard applies to glass-lined storage tanks for household hot water service. Requirements are given for base metal, construction, glass lining, cathodic protection, inspection, and testing. 1.2 This Standard covers glass-lined s

定价: 455元 / 折扣价: 387

在线阅读 收 藏
DIN 29831 Aerospace; vented nickel-cadmium storage batteries, 24 V 40 Ah 现行 发布日期 :  2001-09-01 实施日期 : 

定价:

在线阅读 收 藏

1. Scope This clause of part 1 is replaced by: This standard deals with the safety of thermal storage room heaters for household and similar purposes which are intended to heat the room in which they are located, their rated voltage being not more t

定价: 728元 / 折扣价: 619

在线阅读 收 藏
723 条记录,每页 15 条,当前第 23 / 49 页 第一页 | 上一页 | 下一页 | 最末页  |     转到第   页