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经营范围
发明名称
Electrical regulator
摘要
申请公布号
US2841757(A)
申请公布日期
1958.07.01
申请号
US19560560986
申请日期
1956.01.24
申请人
WESTINGHOUSE AIR BRAKE COMPANY
发明人
SHIELDS CHARLES B.
分类号
G05F1/56;G05F3/20;G05F3/22
主分类号
G05F1/56
代理机构
代理人
主权项
地址
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