发明授权
- 专利标题: Raiolway car
- 专利标题(中): 雷奥威车
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申请号: US67185433申请日: 1933-05-19
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公开(公告)号: US2042151A公开(公告)日: 1936-05-26
- 发明人: HALLQUIST EINAR G , LEONARD VISSER
- 申请人: GEN STEEL CASTINGS CORP
- 专利权人: Gen Steel Castings Corp
- 当前专利权人: Gen Steel Castings Corp
- 优先权: US67185433 1933-05-19
- 主分类号: B61D7/06
- IPC分类号: B61D7/06 ; B61D7/26