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发明名称
Selective feeler mechanism for protecting cloth seams
摘要
申请公布号
US1956537(A)
申请公布日期
1934.04.24
申请号
US19320594774
申请日期
1932.02.24
申请人
PARKS & WOOLSON MACHINE COMPANY
发明人
RICHARDSON CHARLES G.
分类号
D06C13/00
主分类号
D06C13/00
代理机构
代理人
主权项
地址
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