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发明名称
Thread control
摘要
申请公布号
US2341840(A)
申请公布日期
1944.02.15
申请号
US19410423664
申请日期
1941.12.19
申请人
DRAPER CORPORATION
发明人
BROWN CARL D.
分类号
D03D45/50
主分类号
D03D45/50
代理机构
代理人
主权项
地址
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