Home / Standards / GB/T 13411-1992 GB/T 13411-1992 Abolished Technical requirements for marine controllable pitch propellers 船用可调螺距螺旋桨技术条件 Standard Type GBT ICS 47.020.20 CCS U48 Status 废止 Issue Date 1992-03-30 Implementation 1993-01-01 Responsible Dept 国家标准委 Drafting Unit N/A