Retainer for clotheslines,申请号US19390265661-传众专利搜索

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发明名称	Retainer for clotheslines
摘要
申请公布号	US2229471(A)	申请公布日期	1941.01.21
申请号	US19390265661	申请日期	1939.04.03
申请人	POWERS WALTER J	发明人	POWERS WALTER J.
分类号	D06F57/00	主分类号	D06F57/00
代理机构		代理人
主权项
地址

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