Machine à polir ou à poncer,申请号FRD706246-传众专利搜索

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发明名称	Machine à polir ou à poncer
摘要
申请公布号	FR706246(A)	申请公布日期	1931.06.20
申请号	FRD706246	申请日期	1930.02.15
申请人		发明人	DUVAL RENE-PIERRE
分类号	B24B21/00	主分类号	B24B21/00
代理机构		代理人
主权项
地址

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