- 专利标题: Railway-track construction.
-
申请号: US1910547382申请日: 1910-03-04
-
公开(公告)号: US957407A公开(公告)日: 1910-05-10
- 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: US1910547382 1910-03-04