Floor roughing machine,申请号US19320616284-传众专利搜索

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发明名称	Floor roughing machine
摘要
申请公布号	US1964746(A)	申请公布日期	1934.07.03
申请号	US19320616284	申请日期	1932.06.09
申请人	SLOAN FRANCIS P	发明人	SLOAN FRANCIS P.
分类号	B28D1/18;E01C23/088	主分类号	B28D1/18
代理机构		代理人
主权项
地址

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