CONTACT FORMING MATERIAL FOR A VACUUM VALVE AND THE METHOD,申请号KR19870000463-传众专利搜索

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发明名称	CONTACT FORMING MATERIAL FOR A VACUUM VALVE AND THE METHOD
摘要
申请公布号	KR910000486(B1)	申请公布日期	1991.01.25
申请号	KR19870000463	申请日期	1987.01.21
申请人	TOSHIBA CORP.	发明人	OKUTOMI, TSUTOMU;CHIBA, SEISHI;OKAWA, MIKIO;SEKIGUCHI, TADAAKI;ENDO, HIROSHI;YANASHITA, TSUTOMU
分类号	H01H1/023;C22C1/04;C22C5/06;C22C9/00;H01H1/02;H01H33/66;(IPC1-7):C22C9/00	主分类号	H01H1/023
代理机构		代理人
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