Porte de ventilation, à palettes.,申请号CHD172648-传众专利搜索

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发明名称	Porte de ventilation, à palettes.
摘要
申请公布号	CH172648(A)	申请公布日期	1934.10.31
申请号	CHD172648	申请日期	1933.12.04
申请人	GIVEL,AIME;THOMANN,ERWIN	发明人	GIVEL,AIME;THOMANN,ERWIN
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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