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发明名称
Optical navigational device
摘要
申请公布号
GB821466(A)
申请公布日期
1959.10.07
申请号
GB19570001689
申请日期
1957.01.16
申请人
MAURICE RUMFORD PIERCE;THEODORE ELI ZUCKERMAN
发明人
分类号
G01C21/02
主分类号
G01C21/02
代理机构
代理人
主权项
地址
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