Procédé de production d'une couverture de toit à partir de plaques de béton de ponce ou de plaques analogues,申请号FR19630931513-传众专利搜索

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发明名称	Procédé de production d'une couverture de toit à partir de plaques de béton de ponce ou de plaques analogues
摘要
申请公布号	FR1352762(A)	申请公布日期	1964.02.14
申请号	FR19630931513	申请日期	1963.04.12
申请人	J. & OTTO KREBBER	发明人
分类号	E04D5/12	主分类号	E04D5/12
代理机构		代理人
主权项
地址

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