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经营范围
发明名称
Presser foot
摘要
申请公布号
US2184604(A)
申请公布日期
1939.12.26
申请号
US19380242583
申请日期
1938.11.26
申请人
RAY WILLIAM W
发明人
RAY WILLIAM W.
分类号
D05B29/00
主分类号
D05B29/00
代理机构
代理人
主权项
地址
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