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发明名称
Mechanical position finder
摘要
申请公布号
US2493786(A)
申请公布日期
1950.01.10
申请号
US19450585001
申请日期
1945.03.26
申请人
GILBERT SWIFT
发明人
SWIFT GILBERT
分类号
G01C21/20
主分类号
G01C21/20
代理机构
代理人
主权项
地址
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