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发明名称
Signaling system
摘要
申请公布号
US1971347(A)
申请公布日期
1934.08.28
申请号
US19310532496
申请日期
1931.04.24
申请人
ECLIPSE AVIATION CORPORATION
发明人
HYLAND LAWRENCE A.
分类号
H03D11/02
主分类号
H03D11/02
代理机构
代理人
主权项
地址
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