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经营范围
发明名称
Improvements in or relating to bobbins
摘要
申请公布号
GB372110(A)
申请公布日期
1932.05.05
申请号
GB19310014762
申请日期
1931.05.19
申请人
JOHN EDWARD LOCK
发明人
分类号
B65H75/30
主分类号
B65H75/30
代理机构
代理人
主权项
地址
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