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经营范围
发明名称
Bobbin marker
摘要
申请公布号
US2758436(A)
申请公布日期
1956.08.14
申请号
US19530381320
申请日期
1953.09.21
申请人
WALKER JOHN B
发明人
WALKER JOHN B.
分类号
B65H67/06
主分类号
B65H67/06
代理机构
代理人
主权项
地址
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