NL33817C - - Google Patents

Info

Publication number
NL33817C
NL33817C NL33817DA NL33817C NL 33817 C NL33817 C NL 33817C NL 33817D A NL33817D A NL 33817DA NL 33817 C NL33817 C NL 33817C
Authority
NL
Netherlands
Application number
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 NL33817C publication Critical patent/NL33817C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
NL33817D 1931-04-30 NL33817C (en))

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET38770D DE643764C (de) 1931-04-30 1931-04-30 Schaltungsanordnung fuer Selbstanschlussfernsprechstellen beschraenkter Verkehrsmoeglichkeit, insbesondere fuer Muenzfernsprecher

Publications (1)

Publication Number Publication Date
NL33817C true NL33817C (en))

Family

ID=7560296

Family Applications (1)

Application Number Title Priority Date Filing Date
NL33817D NL33817C (en)) 1931-04-30

Country Status (2)

Country Link
DE (1) DE643764C (en))
NL (1) NL33817C (en))

Also Published As

Publication number Publication date
DE643764C (de) 1937-04-17

Similar Documents

Publication Publication Date Title
BE377446A (en))
NL33817C (en))
BE353568A (en))
BE358734A (en))
BE373801A (en))
BE375242A (en))
BE375720A (en))
BE376369A (en))
BE376486A (en))
BE376494A (en))
BE376552A (en))
BE376624A (en))
BE376809A (en))
BE376820A (en))
BE376960A (en))
BE376961A (en))
BE377041A (en))
BE377073A (en))
BE377219A (en))
BE377275A (en))
BE377461A (en))
BE377475A (en))
BE377489A (en))
BE377515A (en))
BE377518A (en))