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发明名称
Sewing machine lighting attachment
摘要
申请公布号
US2217863(A)
申请公布日期
1940.10.15
申请号
US19370181132
申请日期
1937.12.22
申请人
VERBURY, INC.
发明人
JR. WILLIAM L. GERBER,
分类号
D05B79/00
主分类号
D05B79/00
代理机构
代理人
主权项
地址
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