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发明名称
Wheel track gauge
摘要
申请公布号
US2623297(A)
申请公布日期
1952.12.30
申请号
US19500198946
申请日期
1950.12.04
申请人
MEIRION ARTHUR EVAN
发明人
ARTHUR EVAN MEIRION
分类号
主分类号
代理机构
代理人
主权项
地址
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