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发明名称
Angular positional control system
摘要
申请公布号
US2176101(A)
申请公布日期
1939.10.17
申请号
US19360101529
申请日期
1936.09.18
申请人
JOHN B. BRADY
发明人
RIGGS ALGER S.
分类号
G05D3/12
主分类号
G05D3/12
代理机构
代理人
主权项
地址
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