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经营范围
发明名称
Control apparatus
摘要
申请公布号
US2400442(A)
申请公布日期
1946.05.14
申请号
US19440528677
申请日期
1944.03.30
申请人
THE WESTINGHOUSE AIR BRAKE COMPANY
发明人
STEVENS ROY R.
分类号
B63H21/22
主分类号
B63H21/22
代理机构
代理人
主权项
地址
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