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发明名称
Improvements relating to clamping hubs for spools
摘要
申请公布号
GB1148878(A)
申请公布日期
1969.04.16
申请号
GB19650019763
申请日期
1965.05.11
申请人
ELECTRIC & MUSICAL INDUSTRIES LIMITED
发明人
RONALD JAMES MORGAN
分类号
G11B15/66
主分类号
G11B15/66
代理机构
代理人
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地址
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