Construction des ponts ou analogues,申请号FRD778352-传众专利搜索

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发明名称	Construction des ponts ou analogues
摘要
申请公布号	FR778352(A)	申请公布日期	1935.03.15
申请号	FRD778352	申请日期	1933.12.05
申请人		发明人	LAFFAILLE BERNARD
分类号	E01D21/00	主分类号	E01D21/00
代理机构		代理人
主权项
地址

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