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经营范围
发明名称
Spinning ring and traveler therefor
摘要
申请公布号
US1955293(A)
申请公布日期
1934.04.17
申请号
US19320585747
申请日期
1932.01.09
申请人
HERR MANUFACTURING COMPANY, INC.
发明人
HERR HENRY C.
分类号
D01H7/60
主分类号
D01H7/60
代理机构
代理人
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地址
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