Perfectionnement aux palplanches métalliques,申请号FRD703768-传众专利搜索

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发明名称	Perfectionnement aux palplanches métalliques
摘要
申请公布号	FR703768(A)	申请公布日期	1931.05.06
申请号	FRD703768	申请日期	1930.10.16
申请人		发明人	DAUBIN ROGER
分类号	E02D5/68	主分类号	E02D5/68
代理机构		代理人
主权项
地址

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