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发明名称
Improvements relating to yarn balls
摘要
申请公布号
GB337969(A)
申请公布日期
1930.11.13
申请号
GB19290033407
申请日期
1929.11.02
申请人
LUDVIG PETERSEN WEIDEMANN
发明人
分类号
B65H55/00
主分类号
B65H55/00
代理机构
代理人
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