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发明名称
Checking system for recording machines
摘要
申请公布号
GB823647(A)
申请公布日期
1959.11.18
申请号
GB19570029515
申请日期
1957.09.19
申请人
DICTAPHONE CORPORATION
发明人
分类号
G11B5/00
主分类号
G11B5/00
代理机构
代理人
主权项
地址
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