FR998977A - - Google Patents

Info

Publication number
FR998977A
FR998977A FR998977DA FR998977A FR 998977 A FR998977 A FR 998977A FR 998977D A FR998977D A FR 998977DA FR 998977 A FR998977 A FR 998977A
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Publication date
Application granted granted Critical
Publication of FR998977A publication Critical patent/FR998977A/fr
Expired legal-status Critical Current

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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)
FR998977D Expired FR998977A (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
FR998977A true FR998977A (cg-RX-API-DMAC7.html) 1952-01-24

Family

ID=1566968

Family Applications (1)

Application Number Title Priority Date Filing Date
FR998977D Expired FR998977A (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
FR (1) FR998977A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1161574B (de) * 1960-04-28 1964-01-23 Gennevilliers Acieries Herzstueck aus aluminothermisch miteinander verschweissten Vignolschienen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1161574B (de) * 1960-04-28 1964-01-23 Gennevilliers Acieries Herzstueck aus aluminothermisch miteinander verschweissten Vignolschienen

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