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发明名称
Wheel
摘要
申请公布号
US2074341(A)
申请公布日期
1937.03.23
申请号
US19340719759
申请日期
1934.04.09
申请人
TRANSIT RESEARCH CORPORATION
发明人
PIRON EMIL H.
分类号
B60B17/00
主分类号
B60B17/00
代理机构
代理人
主权项
地址
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