Lift bar mechanism for window blinds,申请号US19490085601-传众专利搜索

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发明名称	Lift bar mechanism for window blinds
摘要
申请公布号	US2539830(A)	申请公布日期	1951.01.30
申请号	US19490085601	申请日期	1949.04.05
申请人	THE CORDLESS BLIND COMPANY	发明人	JR. HILLIS F. HACKEDORN,
分类号	E06B9/388	主分类号	E06B9/388
代理机构		代理人
主权项
地址

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