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发明名称
Improvements in and relating to a retaining device for a rotary loop-taker of a sewing machine
摘要
申请公布号
GB608983(A)
申请公布日期
1948.09.23
申请号
GB19460006617
申请日期
1946.03.04
申请人
MEFINA S.A.
发明人
分类号
D05B27/22;D05B57/14
主分类号
D05B27/22
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