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发明名称
Speed indicating device
摘要
申请公布号
US2740108(A)
申请公布日期
1956.03.27
申请号
US19540436007
申请日期
1954.06.11
申请人
NEW ENGLAND HELICOPTER SERVICE, INC.
发明人
JR. LEON W. PLYMPTON,;JONES HAROLD C.
分类号
G01P1/10
主分类号
G01P1/10
代理机构
代理人
主权项
地址
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