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发明名称
DEVICE FOR VARYING THE TENSION OF THE BOTTOM THREAD OF THE BOBBIN
摘要
申请公布号
CA604012(A)
申请公布日期
1960.08.23
申请号
CAD604012
申请日期
申请人
G. M. PFAFF AG
发明人
EMERICH SCHENKENGEL
分类号
主分类号
代理机构
代理人
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