Dispositif d'aération, de ventilation, etc.,申请号FRD763996-传众专利搜索

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发明名称	Dispositif d'aération, de ventilation, etc.
摘要
申请公布号	FR763996(A)	申请公布日期	1934.05.12
申请号	FRD763996	申请日期	1933.11.16
申请人		发明人	FILS GEORGES ROCH
分类号	F24F13/15	主分类号	F24F13/15
代理机构		代理人
主权项
地址

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