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MEMBRANE ELECTRODE ASSEBMLY OF FUEL CELLPROBLEM TO BE SOLVED: To provide a fuel cell capable of preventing flooding at a cathode and starting in a short time under freezing point. SOLUTION: The membrane electrode assembly (1) includes a cathode catalyst layer (21) and cathode diffusion layers...
Shadow mask/frame assembly for color cathode ray tube 发明人: CHOI DAI-OK;KIM DONG-HWAN;PARK YOUNG-KOOK;JEONG JAE-HO;SEO MYUNG-SUP 申请人: 申请日期: 2000-05-30 申请公布日期: 2002-07-09 代理机构: 代理人: 地址: 摘要: A shadow mask/frame assembly for a color CRT includes a sha...
瞬雷电子ASS汽车电子浪涌抑制器PKA系列