CH278426A - Electrical signaling installation. - Google Patents

Electrical signaling installation.

Info

Publication number
CH278426A
CH278426A CH278426DA CH278426A CH 278426 A CH278426 A CH 278426A CH 278426D A CH278426D A CH 278426DA CH 278426 A CH278426 A CH 278426A
Authority
CH
Switzerland
Prior art keywords
electrical signaling
signaling installation
installation
electrical
signaling
Prior art date
Application number
Other languages
French (fr)
Inventor
Telephone Et Radio S Standard
Original Assignee
Standard Telephone & Radio Sa
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 Standard Telephone & Radio Sa filed Critical Standard Telephone & Radio Sa
Publication of CH278426A publication Critical patent/CH278426A/en

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)
CH278426D 1946-02-05 1947-01-24 Electrical signaling installation. CH278426A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH278426A true CH278426A (en) 1951-10-15

Family

ID=10266183

Family Applications (2)

Application Number Title Priority Date Filing Date
CH278426D CH278426A (en) 1946-02-05 1947-01-24 Electrical signaling installation.
CH289745D CH289745A (en) 1946-02-05 1947-01-31 Electrical device for measuring a physical quantity by comparison.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH289745D CH289745A (en) 1946-02-05 1947-01-31 Electrical device for measuring a physical quantity by comparison.

Country Status (6)

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

Also Published As

Publication number Publication date
GB623380A (en) 1949-05-17
FR55195E (en) 1951-10-02
NL130202C (en)
CH289745A (en) 1953-03-31
FR943719A (en) 1949-03-16
NL279838A (en)
BE473246A (en)
GB621384A (en) 1949-04-08
ES176606A1 (en) 1947-03-01

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