FR487615A - Improvements at railway crossings - Google Patents

Improvements at railway crossings

Info

Publication number
FR487615A
FR487615A FR487615DA FR487615A FR 487615 A FR487615 A FR 487615A FR 487615D A FR487615D A FR 487615DA FR 487615 A FR487615 A FR 487615A
Authority
FR
France
Prior art keywords
railway crossings
crossings
railway
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
French (fr)
Inventor
Stephen Balkwill
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 FR487615A publication Critical patent/FR487615A/en
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
    • E01B7/28—Crossings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR487615D 1917-11-16 1917-11-16 Improvements at railway crossings Expired FR487615A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR487615T 1917-11-16

Publications (1)

Publication Number Publication Date
FR487615A true FR487615A (en) 1918-07-17

Family

ID=1524072

Family Applications (1)

Application Number Title Priority Date Filing Date
FR487615D Expired FR487615A (en) 1917-11-16 1917-11-16 Improvements at railway crossings

Country Status (1)

Country Link
FR (1) FR487615A (en)

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