Roller for window shades and window shade sticks,申请号US19280267045-传众专利搜索

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发明名称	Roller for window shades and window shade sticks
摘要
申请公布号	US1809779(A)	申请公布日期	1931.06.09
申请号	US19280267045	申请日期	1928.04.03
申请人	LOUIS FROMONT	发明人	FROMONT LOUIS
分类号	E06B9/44	主分类号	E06B9/44
代理机构		代理人
主权项
地址

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