BE497747A - - Google Patents

Info

Publication number
BE497747A
BE497747A BE497747DA BE497747A BE 497747 A BE497747 A BE 497747A BE 497747D A BE497747D A BE 497747DA BE 497747 A BE497747 A BE 497747A
Authority
BE
Belgium
Prior art keywords
thick
rails
welding
core
heart
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE497747A publication Critical patent/BE497747A/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)
  • Butt Welding And Welding Of Specific Article (AREA)
BE497747D BE497747A (https=)

Publications (1)

Publication Number Publication Date
BE497747A true BE497747A (https=)

Family

ID=140627

Family Applications (1)

Application Number Title Priority Date Filing Date
BE497747D BE497747A (https=)

Country Status (1)

Country Link
BE (1) BE497747A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE970227C (de) * 1951-06-24 1958-08-28 Bochumer Ver Fuer Gussstahlfab Einfaches Herzstueck

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE970227C (de) * 1951-06-24 1958-08-28 Bochumer Ver Fuer Gussstahlfab Einfaches Herzstueck

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