Balance de précision à échelle réglable pour calculs de plans et de proportion,申请号FRD726713-传众专利搜索

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发明名称	Balance de précision à échelle réglable pour calculs de plans et de proportion
摘要
申请公布号	FR726713(A)	申请公布日期	1932.06.02
申请号	FRD726713	申请日期	1931.07.02
申请人		发明人	FONTAINE PIERRE-MARIE
分类号	G01G1/00	主分类号	G01G1/00
代理机构		代理人
主权项
地址

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