BE442629A - - Google Patents

Info

Publication number
BE442629A
BE442629A BE442629DA BE442629A BE 442629 A BE442629 A BE 442629A BE 442629D A BE442629D A BE 442629DA BE 442629 A BE442629 A BE 442629A
Authority
BE
Belgium
Prior art keywords
point
rail
wedges
extended
pointed
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE442629A publication Critical patent/BE442629A/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/10—Frogs
    • E01B7/12—Fixed frogs made of one part or composite

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
BE442629D BE442629A (forum.php)

Publications (1)

Publication Number Publication Date
BE442629A true BE442629A (forum.php)

Family

ID=99775

Family Applications (1)

Application Number Title Priority Date Filing Date
BE442629D BE442629A (forum.php)

Country Status (1)

Country Link
BE (1) BE442629A (forum.php)

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