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发明名称
Improvements in or relating to reels
摘要
申请公布号
GB654009(A)
申请公布日期
1951.05.30
申请号
GB19480025292
申请日期
1948.09.28
申请人
GEORGE STEWART VIVIAN
发明人
分类号
G03B21/32
主分类号
G03B21/32
代理机构
代理人
主权项
地址
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