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发明名称
VACUUM NEEDLE THREADER AND THREAD WIPER MECHANISM
摘要
申请公布号
US3540392(A)
申请公布日期
1970.11.17
申请号
USD3540392
申请日期
1969.04.01
申请人
SINGER CO.:THE
发明人
RONALD M. KAPLAN
分类号
D05B87/00;(IPC1-7):D05B55/02
主分类号
D05B87/00
代理机构
代理人
主权项
地址
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