Bobbin gear assembly for roving frames,申请号US19490091143-传众专利搜索

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发明名称	Bobbin gear assembly for roving frames
摘要
申请公布号	US2533669(A)	申请公布日期	1950.12.12
申请号	US19490091143	申请日期	1949.05.03
申请人	AMERICAN ENGINEERING CORPORATION	发明人	HOLLINGSWORTH ROBERT Q.
分类号	D01H1/242	主分类号	D01H1/242
代理机构		代理人
主权项
地址

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