Perfectionnements aux conduits de chauffage et de ventilation,申请号FR19590812438-传众专利搜索

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发明名称	Perfectionnements aux conduits de chauffage et de ventilation
摘要
申请公布号	FR1251363(A)	申请公布日期	1961.01.20
申请号	FR19590812438	申请日期	1959.12.08
申请人		发明人	PAQUIER ERNEST
分类号	E04F17/00	主分类号	E04F17/00
代理机构		代理人
主权项
地址

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