Fresh air ventilation system through window frame - has rabbet cavity connected with outside and room via closable channel in window leaf frame,申请号DE19803048961-传众专利搜索

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发明名称	Fresh air ventilation system through window frame - has rabbet cavity connected with outside and room via closable channel in window leaf frame
摘要
申请公布号	DE3048961(A1)	申请公布日期	1982.07.01
申请号	DE19803048961	申请日期	1980.12.24
申请人	FA. FRANZ BISPING	发明人	BISPING,FRANZ
分类号	E06B7/10;(IPC1-7):06B7/10	主分类号	E06B7/10
代理机构		代理人
主权项
地址

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