BS 74:1915
Charging plug and socket for vehicles propelled by electric secondary batteries
被代替
发布日期 :
1927-12-02
实施日期 :
BS 1915:1952
Projectors for film strip and miniature lantern slides (for educational use) and optical lanterns.
被代替
发布日期 :
1952-12-30
实施日期 :
BS 72:1915
British Standardization rules for electrical machinery (excluding motors for traction purposes)
被代替
发布日期 :
1915-07-22
实施日期 :