Home / Standards / GB/T 4588.4-1996 GB/T 4588.4-1996 Abolished Sectional specification--Multilayer printed boards 多层印制板 分规范 Standard Type GBT ICS 31.180 CCS L30 Status 废止 Issue Date 1996-12-30 Implementation 1997-08-01 Responsible Dept 工业和信息化部(电子) Drafting Unit 工业和信息化部(电子)