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发明名称
Improvements in or relating to devices for winding wire coils
摘要
申请公布号
GB355752(A)
申请公布日期
1931.08.28
申请号
GB19300005469
申请日期
1930.02.18
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
B21C47/04
主分类号
B21C47/04
代理机构
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