METHOD OF MEASURING CONTACT RATIO OF PLUG CONTACT SURFACE OF GAS COCK,申请号JP19770117925-传众专利搜索

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发明名称	METHOD OF MEASURING CONTACT RATIO OF PLUG CONTACT SURFACE OF GAS COCK
摘要
申请公布号	JPS5452588(A)	申请公布日期	1979.04.25
申请号	JP19770117925	申请日期	1977.10.03
申请人	KOYO SANGYO CO	发明人	OOYAMA KUNIYOSHI
分类号	G01M13/00;G01B7/34;G01N27/00;G01N27/04	主分类号	G01M13/00
代理机构		代理人
主权项
地址

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