FR742934A - - Google Patents

Info

Publication number
FR742934A
FR742934A FR742934DA FR742934A FR 742934 A FR742934 A FR 742934A FR 742934D A FR742934D A FR 742934DA FR 742934 A FR742934 A FR 742934A
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 FR742934A publication Critical patent/FR742934A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L29/00—Safety means for rail/road crossing traffic
    • B61L29/02—Guards or obstacles for preventing access to the route
    • B61L29/023—Special gates
    • B61L29/026—Preventing access by means of obstacles raising across the route

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR742934D Expired FR742934A (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
FR742934A true FR742934A (cg-RX-API-DMAC7.html) 1933-03-18

Family

ID=1547263

Family Applications (1)

Application Number Title Priority Date Filing Date
FR742934D Expired FR742934A (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
FR (1) FR742934A (cg-RX-API-DMAC7.html)

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