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发明名称
Circuit controller
摘要
申请公布号
US2695339(A)
申请公布日期
1954.11.23
申请号
US19510218296
申请日期
1951.03.30
申请人
WESTINGHOUSE AIR BRAKE COMPANY
发明人
JR. RICHARD H. WILLIAMS,
分类号
B61L19/14
主分类号
B61L19/14
代理机构
代理人
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地址
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