发明授权
- 专利标题: Railway-rail stay.
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申请号: US1910553200申请日: 1910-04-04
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公开(公告)号: US999669A公开(公告)日: 1911-08-01
- 发明人: MOORE PHILIP W
- 申请人: RAILWAY SPECIALTY & SUPPLY COMPANY
- 专利权人: Railway Specialty & Supply Company
- 当前专利权人: Railway Specialty & Supply Company
- 优先权: US1910553200 1910-04-04