Dispositif d'isolation phonique,申请号FR19650010400-传众专利搜索

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发明名称	Dispositif d'isolation phonique
摘要
申请公布号	FR1427475(A)	申请公布日期	1966.02.04
申请号	FR19650010400	申请日期	1965.03.23
申请人		发明人	STRYJENSKI JEAN
分类号	E04B1/82	主分类号	E04B1/82
代理机构		代理人
主权项
地址

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