GB/T 34497-2017端子连接器用铜及铜合金带箔材国家标准
英文:Copper and copper alloy strip and foil for terminals and connectors GB/T 34497-2017介绍: 国家标准《端子连接器用铜及铜合金带箔材》由TC243(全国有...
英文:Copper and copper alloy strip and foil for terminals and connectors GB/T 34497-2017介绍: 国家标准《端子连接器用铜及铜合金带箔材》由TC243(全国有...