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经营范围
发明名称
Bobbin bushing
摘要
申请公布号
US2741438(A)
申请公布日期
1956.04.10
申请号
US19510224751
申请日期
1951.05.05
申请人
DRAPER CORPORATION
发明人
CONSOLETTI PAUL C.
分类号
B65H75/10
主分类号
B65H75/10
代理机构
代理人
主权项
地址
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