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发明名称
BOBBIN CASE FOR SEWING MACHINES
摘要
申请公布号
US3568616(A)
申请公布日期
1971.03.09
申请号
USD3568616
申请日期
1969.10.02
申请人
SINGER CO.:THE
发明人
LIONEL J. COULOMBE
分类号
D05B57/26;D05B63/00;(IPC1-7):D05B57/14
主分类号
D05B57/26
代理机构
代理人
主权项
地址
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