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发明名称
Sander
摘要
申请公布号
US2196977(A)
申请公布日期
1940.04.16
申请号
US19370149493
申请日期
1937.06.21
申请人
THE NEW YORK AIR BRAKE COMPANY
发明人
CAMPBELL CHARLES A.;SAFFORD LEWIS A.
分类号
B61C15/10;B61H11/00
主分类号
B61C15/10
代理机构
代理人
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地址
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