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经营范围
发明名称
Sand trap
摘要
申请公布号
US2892651(A)
申请公布日期
1959.06.30
申请号
US19570634713
申请日期
1957.01.17
申请人
THE NEW YORK AIR BRAKE COMPANY
发明人
VROMAN ERWIN C.
分类号
B61C15/10
主分类号
B61C15/10
代理机构
代理人
主权项
地址
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