Tubes et installations isolantes en papier dur à propriétés améliorées,申请号FRD1124934-传众专利搜索

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发明名称	Tubes et installations isolantes en papier dur à propriétés améliorées
摘要
申请公布号	FR1124934(A)	申请公布日期	1956.10.22
申请号	FRD1124934	申请日期	1955.03.03
申请人	DIELEKTRA AKTIENGESELLSCHAFT	发明人
分类号	B31C11/02	主分类号	B31C11/02
代理机构		代理人
主权项
地址

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