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发明名称
Locking device for bobbin housings of sewing machines
摘要
申请公布号
US2019390(A)
申请公布日期
1935.10.29
申请号
US19340712630
申请日期
1934.02.23
申请人
ANKER - WERKE AKTIENGESELLSCHAFT
发明人
BOLTER WILHELM
分类号
D05B57/14
主分类号
D05B57/14
代理机构
代理人
主权项
地址
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