固体材料产烟的比光密度试验方法
Test method for specifie optical density of smoke generated by solid materials
Test method for specifie optical density of smoke generated by solid materials
Marine steel butt-welding fittings
General specifications for marine pneumatie measurementand control instruments
Electrical and electronic installations in ships-Electromagnetic compatibility
Marine magnetic compass of class B
Limit for exhaust smoke of marine diesel engine
Line-throwing appliances for ship
Marine inflatable lifejacket
Dimensions series of standard transport ship types passing the locks ofinland rivers-Part 2:Crand Canal and Huai River system
Dimensions series of standard transport ship types passing the locks ofinland rivers-Part 1:Changjiang River system