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发明名称	COMMUTATOR
摘要
申请公布号	CA531919(A)	申请公布日期	1956.10.16
申请号	CAD531919	申请日期
申请人	UNION CARBIDE CANADA LIMITED	发明人	PAUL A. MARSAL
分类号		主分类号
代理机构		代理人
主权项
地址

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