Operating and tensioning device for a double-hung sash assembly to eliminate the use of counterweights,申请号GB19990023281-传众专利搜索

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发明名称	Operating and tensioning device for a double-hung sash assembly to eliminate the use of counterweights
摘要
申请公布号	GB2338979(B)	申请公布日期	2000.05.31
申请号	GB19990023281	申请日期	1999.10.02
申请人	KAREL * CHARVAT	发明人	KAREL * CHARVAT
分类号	E05D13/00;E05F1/00;(IPC1-7):E05F1/00	主分类号	E05D13/00
代理机构		代理人
主权项
地址

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