FR943719A - Systèmes de signalisation électrique - Google Patents

Systèmes de signalisation électrique

Info

Publication number
FR943719A
FR943719A FR943719DA FR943719A FR 943719 A FR943719 A FR 943719A FR 943719D A FR943719D A FR 943719DA FR 943719 A FR943719 A FR 943719A
Authority
FR
France
Prior art keywords
signaling systems
electrical signaling
electrical
systems
signaling
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
Eric Malcolm Swift Mcwirther
Roland Harris Dunn
Peter William Lennox
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR943719A publication Critical patent/FR943719A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/165—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents in the manufacture of multilayered shell moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B22C9/04—Use of lost patterns
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Magnetically Actuated Valves (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
FR943719D 1946-02-05 1946-12-26 Systèmes de signalisation électrique Expired FR943719A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB278426X 1946-02-05

Publications (1)

Publication Number Publication Date
FR943719A true FR943719A (fr) 1949-03-16

Family

ID=10266183

Family Applications (2)

Application Number Title Priority Date Filing Date
FR943719D Expired FR943719A (fr) 1946-02-05 1946-12-26 Systèmes de signalisation électrique
FR55195D Expired FR55195E (fr) 1946-02-05 1947-02-05 Systèmes de signalisation électrique

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR55195D Expired FR55195E (fr) 1946-02-05 1947-02-05 Systèmes de signalisation électrique

Country Status (6)

Country Link
BE (1) BE473246A (fr)
CH (2) CH278426A (fr)
ES (1) ES176606A1 (fr)
FR (2) FR943719A (fr)
GB (2) GB623380A (fr)
NL (2) NL279838A (fr)

Also Published As

Publication number Publication date
GB623380A (en) 1949-05-17
NL130202C (fr)
CH289745A (de) 1953-03-31
ES176606A1 (es) 1947-03-01
FR55195E (fr) 1951-10-02
GB621384A (en) 1949-04-08
BE473246A (fr)
NL279838A (fr)
CH278426A (fr) 1951-10-15

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