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发明名称
RAILWAY APPARATUS DRIVING GEAR
摘要
申请公布号
CA333974(A)
申请公布日期
1933.07.11
申请号
CAD333974
申请日期
申请人
J. STONE AND COMPANY
发明人
JOHN GORDON
分类号
主分类号
代理机构
代理人
主权项
地址
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