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发明名称
Chart scanning apparatus
摘要
申请公布号
US3346960(A)
申请公布日期
1967.10.17
申请号
US19640410949
申请日期
1964.11.13
申请人
SINCLAIR RESEARCH, INC.
发明人
MILES LEON H.
分类号
E21B47/06;E21B49/08
主分类号
E21B47/06
代理机构
代理人
主权项
地址
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