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经营范围
发明名称
Multiple pen tensioning means
摘要
申请公布号
US2270438(A)
申请公布日期
1942.01.20
申请号
US19400350549
申请日期
1940.08.03
申请人
BORG-WARNER CORPORATION
发明人
HILL IRA B.
分类号
D03D41/00
主分类号
D03D41/00
代理机构
代理人
主权项
地址
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