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发明名称
Thread lubricating attachment for sewing machines
摘要
申请公布号
US2885984(A)
申请公布日期
1959.05.12
申请号
US19560603576
申请日期
1956.08.13
申请人
EARNHART WILLIAM C
发明人
EARNHART WILLIAM C.
分类号
D05B67/00
主分类号
D05B67/00
代理机构
代理人
主权项
地址
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