Self-contained window cleaning implement,申请号US19500197600-传众专利搜索

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发明名称	Self-contained window cleaning implement
摘要
申请公布号	US2702915(A)	申请公布日期	1955.03.01
申请号	US19500197600	申请日期	1950.11.25
申请人	ANDREW ANDERSON RALPH	发明人	ANDERSON RALPH ANDREW
分类号	A47L1/08	主分类号	A47L1/08
代理机构		代理人
主权项
地址

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