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发明名称
RAILWAY SPRING FROG
摘要
申请公布号
CA330952(A)
申请公布日期
1933.03.14
申请号
CAD330952
申请日期
申请人
THE LOCOMOTIVE FINISHED MATERIAL COMPANY
发明人
HENRY E. MUCHNIC
分类号
主分类号
代理机构
代理人
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地址
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