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发明名称
IMPROVEMENTS IN AND RELATING TO RECORDING
摘要
申请公布号
GB1236786(A)
申请公布日期
1971.06.23
申请号
GB19690011145
申请日期
1969.03.03
申请人
BELL & HOWELL COMPANY
发明人
分类号
G03B19/18;G03B31/04
主分类号
G03B19/18
代理机构
代理人
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地址
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