铜管接头 第1部分:钎焊式管件
Pipe fittings of copper and copper alloys-Part 1 :Fittings of braze welding type
Pipe fittings of copper and copper alloys-Part 1 :Fittings of braze welding type
Ships and marine technology-Launching appliances for davit- launched lifeboats
Marine engine room central control console general specification
The landing boom for S.t Lawrence seaway
Ships and marine technology-Ship's mooring and towing fittings Panama chocks
Container securing fitting for ships
Welding specification for pressure parts of marine auxiliary boiler and pressure vessel
Marine electric two spindle serew pump
Marine electric reciprocating pump
Test method for strength and tightness of marine boiler and pressure vessel