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发明名称
Vorrichtung zum Verändern der Spannung des Unterfadens an einer Nähmaschine, mit einer am Spulengehäuse angebrachten Feder, deren Spannung durch eine Stellschraube verändert werden kann
摘要
申请公布号
CH361468(A)
申请公布日期
1962.04.15
申请号
CHD361468
申请日期
1957.11.13
申请人
G.M. PFAFF AG
发明人
SCHENKENGEL,EMERICH
分类号
D05B63/00
主分类号
D05B63/00
代理机构
代理人
主权项
地址
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