APPARATUS FOR CONTROLLING VENTILATION FLAPS,ESPECIALLY LOUVERS,申请号PL19770199469-传众专利搜索

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发明名称	APPARATUS FOR CONTROLLING VENTILATION FLAPS,ESPECIALLY LOUVERS
摘要
申请公布号	PL111344(B1)	申请公布日期	1980.08.30
申请号	PL19770199469	申请日期	1977.07.08
申请人		发明人
分类号	E06B;E06B7/086;(IPC1-7):E06B7/08	主分类号	E06B
代理机构		代理人
主权项
地址

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