Matériau alvéolaire isolant thermique et phonique,申请号FRD1011908-传众专利搜索

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发明名称	Matériau alvéolaire isolant thermique et phonique
摘要
申请公布号	FR1011908(A)	申请公布日期	1952.07.01
申请号	FRD1011908	申请日期	1949.04.20
申请人		发明人	PRYCK
分类号	C04B28/14	主分类号	C04B28/14
代理机构		代理人
主权项
地址

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