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FR417019A - Perfectionnements apportés aux aiguilles de tramways - Google Patents

Perfectionnements apportés aux aiguilles de tramways

Info

Publication number
FR417019A
FR417019A FR417019DA FR417019A FR 417019 A FR417019 A FR 417019A FR 417019D A FR417019D A FR 417019DA FR 417019 A FR417019 A FR 417019A
Authority
FR
France
Prior art keywords
tram
needles
improvements made
tram needles
Prior art date
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
English (en)
Inventor
Robert Abbott Hadfield
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR417019A publication Critical patent/FR417019A/fr
Expired legal-status Critical Current

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
    • E01B7/02—Tongues; Associated constructions
    • E01B7/04—Constructions with tongues turning about a vertical pivot at the end

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR417019D 1910-04-12 1910-06-10 Perfectionnements apportés aux aiguilles de tramways Expired FR417019A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB417019X 1910-04-12

Publications (1)

Publication Number Publication Date
FR417019A true FR417019A (fr) 1910-11-04

Family

ID=1460464

Family Applications (1)

Application Number Title Priority Date Filing Date
FR417019D Expired FR417019A (fr) 1910-04-12 1910-06-10 Perfectionnements apportés aux aiguilles de tramways

Country Status (1)

Country Link
FR (1) FR417019A (fr)

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