NO135389C - TELECOMMUNICATIONS AND SPECIAL TELEPHONE CENTER WITH A TWO-STEP CONNECTION FIELD. - Google Patents

TELECOMMUNICATIONS AND SPECIAL TELEPHONE CENTER WITH A TWO-STEP CONNECTION FIELD.

Info

Publication number
NO135389C
NO135389C NO414968A NO414968A NO135389C NO 135389 C NO135389 C NO 135389C NO 414968 A NO414968 A NO 414968A NO 414968 A NO414968 A NO 414968A NO 135389 C NO135389 C NO 135389C
Authority
NO
Norway
Prior art keywords
telecommunications
connection field
step connection
special telephone
telephone center
Prior art date
Application number
NO414968A
Other languages
Norwegian (no)
Other versions
NO135389B (en
Inventor
Evert Oskar Ekbergh
Per Gustaf Jonsson
Original Assignee
Int 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
Priority claimed from GB4847067A external-priority patent/GB1179507A/en
Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of NO135389B publication Critical patent/NO135389B/no
Publication of NO135389C publication Critical patent/NO135389C/en

Links

NO414968A 1967-10-25 1968-10-19 TELECOMMUNICATIONS AND SPECIAL TELEPHONE CENTER WITH A TWO-STEP CONNECTION FIELD. NO135389C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4847067A GB1179507A (en) 1967-10-25 1967-10-25 Improvements in or relating to Automatic Telecommunication Exchanges

Publications (2)

Publication Number Publication Date
NO135389B NO135389B (en) 1976-12-20
NO135389C true NO135389C (en) 1977-03-30

Family

ID=10448725

Family Applications (1)

Application Number Title Priority Date Filing Date
NO414968A NO135389C (en) 1967-10-25 1968-10-19 TELECOMMUNICATIONS AND SPECIAL TELEPHONE CENTER WITH A TWO-STEP CONNECTION FIELD.

Country Status (2)

Country Link
ES (1) ES359453A1 (en)
NO (1) NO135389C (en)

Also Published As

Publication number Publication date
ES359453A1 (en) 1970-06-01
NO135389B (en) 1976-12-20

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