Dispositif de mise en précontrainte, suivant deux directions, pour éléments de construction.,申请号FR19681322226-传众专利搜索

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发明名称	Dispositif de mise en précontrainte, suivant deux directions, pour éléments de construction.
摘要
申请公布号	FR94749(E)	申请公布日期	1969.10.24
申请号	FR19681322226	申请日期	1968.03.29
申请人	S.A.R.E.T. S.A.	发明人
分类号	E04G21/12;(IPC1-7):E04C/	主分类号	E04G21/12
代理机构		代理人
主权项
地址

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