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发明名称
JOURNAL BOX SEAL AND GUARD
摘要
申请公布号
CA363361(A)
申请公布日期
1937.01.12
申请号
CAD363361
申请日期
申请人
THE RAILWAY SERVICE AND SUPPLY CORPORATION
发明人
WILLIAM L. DWYER
分类号
主分类号
代理机构
代理人
主权项
地址
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