Home / Standards / GB/Z 21212-2007 GB/Z 21212-2007 Active Polyester film for membrane switches 薄膜开关用聚酯薄膜 Standard Type GBZ ICS 29.035.99 CCS K15 Status 现行 Issue Date 2007-12-03 Implementation N/A Responsible Dept 中国电器工业协会 Drafting Unit N/A