- 专利标题: Railway-track construction.
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申请号: US1910538358申请日: 1910-01-17
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公开(公告)号: US956880A公开(公告)日: 1910-05-03
- 发明人: BLOWER JOSEPH W
- 申请人: BLOWER JOSEPH W
- 专利权人: Joseph W Blower
- 当前专利权人: Joseph W Blower
- 优先权: US1910538358 1910-01-17