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发明名称
Improvements in sewing machines
摘要
申请公布号
GB643093(A)
申请公布日期
1950.09.15
申请号
GB19480000265
申请日期
1948.01.05
申请人
JAMES ELDON READ
发明人
分类号
D05B1/02
主分类号
D05B1/02
代理机构
代理人
主权项
地址
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