发明授权
- 专利标题: Railway motor truck
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申请号: US77518958申请日: 1958-11-20
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公开(公告)号: US2994284A公开(公告)日: 1961-08-01
- 发明人: TRAVILLA JAMES C
- 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: US77518958 1958-11-20; US79747859 1959-03-05
- 主分类号: B61F3/06
- IPC分类号: B61F3/06 ; B61F5/20 ; B61F5/36 ; B61F5/44 ; B61F5/48