Home / Standards / GB/T 20254.1-2006 GB/T 20254.1-2006 Copper and copper alloy strip for lead frames — Part 1: Flat strip 引线框架用铜及铜合金带材 第1部分:平带 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A