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经营范围
发明名称
SPINNING BOBBIN
摘要
申请公布号
CA393417(A)
申请公布日期
1940.12.24
申请号
CAD393417
申请日期
申请人
CAMILLE DREYFUS
发明人
WILLIAM J. ELVIN
分类号
主分类号
代理机构
代理人
主权项
地址
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