WATER PIPE DRAINING APPARATUS,申请号CAD526432-传众专利搜索

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发明名称	WATER PIPE DRAINING APPARATUS
摘要
申请公布号	CA526432(A)	申请公布日期	1956.06.19
申请号	CAD526432	申请日期
申请人	PAUL W. ROBERTS	发明人	PAUL W. ROBERTS
分类号		主分类号
代理机构		代理人
主权项
地址

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