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发明名称
Sewing holder
摘要
申请公布号
US1819862(A)
申请公布日期
1931.08.18
申请号
US19290382227
申请日期
1929.07.30
申请人
ESTHER BERGSTEDT
发明人
BERGSTEDT ESTHER
分类号
D05B91/14
主分类号
D05B91/14
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