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经营范围
发明名称
RAILWAY CAR COUPLER SLACK CONTROL DEVICE
摘要
申请公布号
CA402702(A)
申请公布日期
1942.02.03
申请号
CAD402702
申请日期
申请人
JOSEPH ROBINSON
发明人
JOSEPH ROBINSON
分类号
主分类号
代理机构
代理人
主权项
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