Perfectionnements aux conduites en béton précontraint,申请号FRD1076592-传众专利搜索

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发明名称	Perfectionnements aux conduites en béton précontraint
摘要
申请公布号	FR1076592(A)	申请公布日期	1954.10.27
申请号	FRD1076592	申请日期	1953.04.30
申请人		发明人	ROTUNDI ARMANDO;ROTUNDI LEONARDO
分类号	B28B21/62;F16L25/00	主分类号	B28B21/62
代理机构		代理人
主权项
地址

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