PD 6457:1970
Guide to the application of addendum modification to involute spur and helical gears
现行
发布日期 :
1970-11-17
实施日期 :
BS C 9:1970
Specification for coupling dimensions for high pressure air charging valves for aircraft
现行
发布日期 :
1970-03-31
实施日期 :
BS 558 and 564:1970
Specifications for nickel anodes, anode nickel and nickel salts for electroplating
现行
发布日期 :
1970-10-23
实施日期 :
BS M 37:1970
Method for the etch inspection of metallic materials and components
现行
发布日期 :
1970-10-30
实施日期 :
BS AU 3:1970
Specification for clearance dimensions and fifth wheel positions for tractors and semi-trailers
现行
发布日期 :
1970-03-20
实施日期 :