Perfectionnements aux pieux en béton armé,申请号FRD769460-传众专利搜索

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发明名称	Perfectionnements aux pieux en béton armé
摘要
申请公布号	FR769460(A)	申请公布日期	1934.08.27
申请号	FRD769460	申请日期	1934.02.28
申请人		发明人	DODIN HENRI
分类号	E02D5/52	主分类号	E02D5/52
代理机构		代理人
主权项
地址

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