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发明名称
RAIL BOND
摘要
申请公布号
CA371004(A)
申请公布日期
1938.01.04
申请号
CAD371004
申请日期
申请人
THE OHIO BRASS COMPANY
发明人
HOMER P. CHANDLER
分类号
主分类号
代理机构
代理人
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