Window cleaning apparatus,申请号US19300427452-传众专利搜索

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发明名称	Window cleaning apparatus
摘要
申请公布号	US1984370(A)	申请公布日期	1934.12.18
申请号	US19300427452	申请日期	1930.02.11
申请人	ISRACL GOLDSMITH	发明人	GOLDSMITH ISRACL
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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