Dispositif d'obturation d'une ouverture d'aération, de ventilation, etc.,申请号CHD165436-传众专利搜索

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发明名称	Dispositif d'obturation d'une ouverture d'aération, de ventilation, etc.
摘要
申请公布号	CH165436(A)	申请公布日期	1933.11.30
申请号	CHD165436	申请日期	1932.11.22
申请人	ROCH,GEORGES,FILS	发明人	ROCH,GEORGES,FILS
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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