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发明名称	DOOR
摘要
申请公布号	CA329417(A)	申请公布日期	1933.01.17
申请号	CAD329417	申请日期
申请人	ARTHUR R. WELCH	发明人	ARTHUR R. WELCH
分类号		主分类号
代理机构		代理人
主权项
地址

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