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发明名称	Hahn
摘要
申请公布号	DE517470(C)	申请公布日期	1931.02.04
申请号	DENDATC040282D	申请日期
申请人	WILLIAM EDWARD CROSBY	发明人
分类号	F16K5/02;F16K5/16	主分类号	F16K5/02
代理机构		代理人
主权项
地址

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