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发明名称
Sewing aid
摘要
申请公布号
US2475460(A)
申请公布日期
1949.07.05
申请号
US19460669166
申请日期
1946.05.11
申请人
SYLVESTA PRESCOTT REGINA
发明人
PRESCOTT REGINA SYLVESTA
分类号
D05B81/00
主分类号
D05B81/00
代理机构
代理人
主权项
地址
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