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经营范围
发明名称
Twisting machine
摘要
申请公布号
US2036173(A)
申请公布日期
1936.03.31
申请号
US19340707287
申请日期
1934.01.19
申请人
B. F. PERKINS & SON, INC.
发明人
GETCHELL RAYMOND E.
分类号
D07B3/06
主分类号
D07B3/06
代理机构
代理人
主权项
地址
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