Home / Standards / GB/T 9910-1988 GB/T 9910-1988 Abolished Shipbuilding--Clear openings through frames forexternal single--Leaf doors 船用外部单扇门门框通孔 Standard Type GBT ICS 47.020.10 CCS U26 Status 废止 Issue Date 1988-09-20 Implementation 1989-06-01 Responsible Dept 国家标准委 Drafting Unit N/A