VENTILATION DEVICE FOR A WINDOW-PANE OR PANEL,申请号GB19680045060-传众专利搜索

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发明名称	VENTILATION DEVICE FOR A WINDOW-PANE OR PANEL
摘要
申请公布号	GB1237280(A)	申请公布日期	1971.06.30
申请号	GB19680045060	申请日期	1968.09.23
申请人	JAN VAN LEUZEN	发明人	JAN VAN LEUZEN
分类号	E06B7/10	主分类号	E06B7/10
代理机构		代理人
主权项
地址

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