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发明名称
Time interval recording apparatus
摘要
申请公布号
GB1020834(A)
申请公布日期
1966.02.23
申请号
GB19630034859
申请日期
1963.09.03
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
MURREL KENNETH FRANK HYWEL;SPENCER JOHN
分类号
G07C1/02
主分类号
G07C1/02
代理机构
代理人
主权项
地址
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