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经营范围
发明名称
Bobbin
摘要
申请公布号
US2224075(A)
申请公布日期
1940.12.03
申请号
US19390305734
申请日期
1939.11.22
申请人
JOSEPH CAVANAUGH
发明人
CAVANAUGH JOSEPH
分类号
B65H75/14
主分类号
B65H75/14
代理机构
代理人
主权项
地址
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