Floor surfacer and polisher,申请号US19310530616-传众专利搜索

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发明名称	Floor surfacer and polisher
摘要
申请公布号	US1969805(A)	申请公布日期	1934.08.14
申请号	US19310530616	申请日期	1931.04.16
申请人	LANG MARTIN H	发明人	LANG MARTIN H.
分类号	B24B7/18	主分类号	B24B7/18
代理机构		代理人
主权项
地址

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