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发明名称
BRAKING ARRANGEMENT FOR RAILWAY HOPPER CARS
摘要
申请公布号
US3533492(A)
申请公布日期
1970.10.13
申请号
USD3533492
申请日期
1969.02.04
申请人
SLOAN VALVE CO.
发明人
ROBERT E. CAMPBELL
分类号
B61H13/24;(IPC1-7):F16D65/62
主分类号
B61H13/24
代理机构
代理人
主权项
地址
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