Home / Standards / GB/T 20042.7-2024 GB/T 20042.7-2024 Active Proton exchange membrane fuel cells—Part 7: Test method of carbon paper properties 质子交换膜燃料电池 第7部分:炭纸特性测试方法 Standard Type GBT ICS 27.070 CCS K82 Status 现行 Issue Date 2024-12-31 Implementation 2025-07-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A