BR7306335D0 - Aperfeicoamentos em sistema de chamada por fone para telefones de chave - Google Patents

Aperfeicoamentos em sistema de chamada por fone para telefones de chave

Info

Publication number
BR7306335D0
BR7306335D0 BR633573A BR633573A BR7306335D0 BR 7306335 D0 BR7306335 D0 BR 7306335D0 BR 633573 A BR633573 A BR 633573A BR 633573 A BR633573 A BR 633573A BR 7306335 D0 BR7306335 D0 BR 7306335D0
Authority
BR
Brazil
Prior art keywords
phone call
call system
key phones
phones
key
Prior art date
Application number
BR633573A
Other languages
English (en)
Portuguese (pt)
Inventor
Takano Toshuechi
Yabe Yoshiyuki
Hijikata Tokuhisa
Original Assignee
Iwatsu Electric Co Ltd
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 Iwatsu Electric Co Ltd filed Critical Iwatsu Electric Co Ltd
Publication of BR7306335D0 publication Critical patent/BR7306335D0/pt

Links

BR633573A 1972-08-16 1973-08-16 Aperfeicoamentos em sistema de chamada por fone para telefones de chave BR7306335D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8201972A JPS5247842B2 (enrdf_load_stackoverflow) 1972-08-16 1972-08-16

Publications (1)

Publication Number Publication Date
BR7306335D0 true BR7306335D0 (pt) 1974-07-11

Family

ID=13762797

Family Applications (1)

Application Number Title Priority Date Filing Date
BR633573A BR7306335D0 (pt) 1972-08-16 1973-08-16 Aperfeicoamentos em sistema de chamada por fone para telefones de chave

Country Status (2)

Country Link
JP (1) JPS5247842B2 (enrdf_load_stackoverflow)
BR (1) BR7306335D0 (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5191604A (en) * 1975-02-08 1976-08-11 Botandenwasochini okeru naisenyobidashionkirikaehoshiki
JPS51121202A (en) * 1975-04-17 1976-10-23 Iwatsu Electric Co Ltd Direct separate selective calling method
JPS559020Y2 (enrdf_load_stackoverflow) * 1976-02-10 1980-02-27
JPS5334907U (enrdf_load_stackoverflow) * 1976-08-31 1978-03-27
JPS5610045Y2 (enrdf_load_stackoverflow) * 1976-10-05 1981-03-05
JPS5345104A (en) * 1976-10-05 1978-04-22 Tamura Electric Works Ltd Key telephone system
JPS5371315U (enrdf_load_stackoverflow) * 1976-11-18 1978-06-15
JPS53112209U (enrdf_load_stackoverflow) * 1977-02-08 1978-09-07
JPS53112318U (enrdf_load_stackoverflow) * 1977-02-15 1978-09-07
JPS53116710A (en) * 1977-03-22 1978-10-12 Tamura Electric Works Ltd Button telephone set
JPH0665761B2 (ja) * 1986-02-04 1994-08-24 東洋紡績株式会社 ポリエステル系ウレタン弾性糸の製造方法
JPH0170051U (enrdf_load_stackoverflow) * 1987-10-30 1989-05-10

Also Published As

Publication number Publication date
JPS4940006A (enrdf_load_stackoverflow) 1974-04-15
JPS5247842B2 (enrdf_load_stackoverflow) 1977-12-06

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