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发明名称
Railway brake
摘要
申请公布号
US1906367(A)
申请公布日期
1933.05.02
申请号
US19300430081
申请日期
1930.02.20
申请人
UNIVERSAL DRAFT GEAR ATTACHMENT CO.
发明人
CAMP PERCY B.
分类号
B61H13/04
主分类号
B61H13/04
代理机构
代理人
主权项
地址
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