NL189882C - Gasdrukregelaar. - Google Patents

Gasdrukregelaar.

Info

Publication number
NL189882C
NL189882C NLAANVRAGE7906434,C NL189882DC NL189882C NL 189882 C NL189882 C NL 189882C NL 189882D C NL189882D C NL 189882DC NL 189882 C NL189882 C NL 189882C
Authority
NL
Netherlands
Prior art keywords
gas pressure
pressure regulator
regulator
gas
pressure
Prior art date
Application number
NLAANVRAGE7906434,C
Other languages
English (en)
Original Assignee
Dungs Karl Gmbh & Co
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.)
Publication of NL189882C publication Critical patent/NL189882C/nl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/677—Preventing the dialling or sending of predetermined telephone numbers or selected types of telephone numbers, e.g. long distance numbers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
NLAANVRAGE7906434,C 1953-08-21 Gasdrukregelaar. NL189882C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1082422X 1953-08-21

Publications (1)

Publication Number Publication Date
NL189882C true NL189882C (nl)

Family

ID=4556465

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7906434,C NL189882C (nl) 1953-08-21 Gasdrukregelaar.

Country Status (4)

Country Link
CH (1) CH317713A (nl)
DE (1) DE958205C (nl)
FR (1) FR1082422A (nl)
NL (1) NL189882C (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1067482B (de) * 1958-11-14 1959-10-22 Arnstadt Fernmeldewerk Anordnung fuer Sperrnummernschalter in Muenzfernsprechern

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE268868C (nl) *
DE833210C (de) * 1950-07-13 1952-03-06 Siemens & Halske A G Fernsprechnummernschalter mit mechanisch angetriebener Sperreinrichtung zur Sperrung bestimmter Anrufnummern

Also Published As

Publication number Publication date
DE958205C (de) 1957-02-14
FR1082422A (fr) 1954-12-29
CH317713A (fr) 1956-11-30

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