FR430440A - Dispositif de protection pour aiguille prise en pointe - Google Patents

Dispositif de protection pour aiguille prise en pointe

Info

Publication number
FR430440A
FR430440A FR430440DA FR430440A FR 430440 A FR430440 A FR 430440A FR 430440D A FR430440D A FR 430440DA FR 430440 A FR430440 A FR 430440A
Authority
FR
France
Prior art keywords
protection device
needle protection
pointed needle
pointed
protection
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)
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.)
SOC IND DES TELEPHONES CONSTR
Original Assignee
SOC IND DES TELEPHONES CONSTR
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 SOC IND DES TELEPHONES CONSTR filed Critical SOC IND DES TELEPHONES CONSTR
Application granted granted Critical
Publication of FR430440A publication Critical patent/FR430440A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L21/00—Station blocking between signal boxes in one yard
    • B61L21/06—Vehicle-on-line indication; Monitoring locking and release of the route

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR430440D 1911-06-02 1911-06-02 Dispositif de protection pour aiguille prise en pointe Expired FR430440A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR430440T 1911-06-02

Publications (1)

Publication Number Publication Date
FR430440A true FR430440A (fr) 1911-10-16

Family

ID=1472682

Family Applications (1)

Application Number Title Priority Date Filing Date
FR430440D Expired FR430440A (fr) 1911-06-02 1911-06-02 Dispositif de protection pour aiguille prise en pointe

Country Status (1)

Country Link
FR (1) FR430440A (fr)

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