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发明名称	VALVES
摘要
申请公布号	CA514964(A)	申请公布日期	1955.07.26
申请号	CAD514964	申请日期
申请人	JOHANNES B. RATELBAND	发明人	JOHANNES B. RATELBAND
分类号		主分类号
代理机构		代理人
主权项
地址

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