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发明名称
POSITION INDICATION AND CONTROL SYSTEM FOR RAIL VEHICLE
摘要
申请公布号
US3544788(A)
申请公布日期
1970.12.01
申请号
USD3544788
申请日期
1969.01.29
申请人
PIASECKI AIRCRAFT CORP.
发明人
NICHOLAS J. GUZIK
分类号
B61L3/00;B61L3/22;B61L25/02;(IPC1-7):B61L3/06
主分类号
B61L3/00
代理机构
代理人
主权项
地址
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