JPS5232604A - Extension inter-connection system - Google Patents

Extension inter-connection system

Info

Publication number
JPS5232604A
JPS5232604A JP10864975A JP10864975A JPS5232604A JP S5232604 A JPS5232604 A JP S5232604A JP 10864975 A JP10864975 A JP 10864975A JP 10864975 A JP10864975 A JP 10864975A JP S5232604 A JPS5232604 A JP S5232604A
Authority
JP
Japan
Prior art keywords
connection system
extension inter
inter
extension
connection
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP10864975A
Other languages
English (en)
Inventor
Shinichi Tsuda
Kuniaki Itabashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meisei Electric Co Ltd
Original Assignee
Meisei 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 Meisei Electric Co Ltd filed Critical Meisei Electric Co Ltd
Priority to JP10864975A priority Critical patent/JPS5232604A/ja
Publication of JPS5232604A publication Critical patent/JPS5232604A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/48—Arrangements for recalling a calling subscriber when the wanted subscriber ceases to be busy
JP10864975A 1975-09-08 1975-09-08 Extension inter-connection system Pending JPS5232604A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10864975A JPS5232604A (en) 1975-09-08 1975-09-08 Extension inter-connection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10864975A JPS5232604A (en) 1975-09-08 1975-09-08 Extension inter-connection system

Publications (1)

Publication Number Publication Date
JPS5232604A true JPS5232604A (en) 1977-03-12

Family

ID=14490147

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10864975A Pending JPS5232604A (en) 1975-09-08 1975-09-08 Extension inter-connection system

Country Status (1)

Country Link
JP (1) JPS5232604A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5972853A (ja) * 1982-10-19 1984-04-24 Nec Corp フアクシミリ交換方式
US4640498A (en) * 1985-05-14 1987-02-03 Insul Company, Inc. Horizontally and vertically movable elevated apparatus for placing slag retaining means in tapping converters

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5972853A (ja) * 1982-10-19 1984-04-24 Nec Corp フアクシミリ交換方式
JPS6322748B2 (ja) * 1982-10-19 1988-05-13 Nippon Electric Co
US4640498A (en) * 1985-05-14 1987-02-03 Insul Company, Inc. Horizontally and vertically movable elevated apparatus for placing slag retaining means in tapping converters

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