JPS5657230A - Block relay unit - Google Patents

Block relay unit

Info

Publication number
JPS5657230A
JPS5657230A JP13299879A JP13299879A JPS5657230A JP S5657230 A JPS5657230 A JP S5657230A JP 13299879 A JP13299879 A JP 13299879A JP 13299879 A JP13299879 A JP 13299879A JP S5657230 A JPS5657230 A JP S5657230A
Authority
JP
Japan
Prior art keywords
relay unit
block relay
block
unit
relay
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
JP13299879A
Other languages
Japanese (ja)
Inventor
Mitsuharu Yokota
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.)
Hitachi Engineering Co Ltd
Hitachi Ltd
Original Assignee
Hitachi Engineering Co Ltd
Hitachi 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 Hitachi Engineering Co Ltd, Hitachi Ltd filed Critical Hitachi Engineering Co Ltd
Priority to JP13299879A priority Critical patent/JPS5657230A/en
Publication of JPS5657230A publication Critical patent/JPS5657230A/en
Pending legal-status Critical Current

Links

Landscapes

  • Relay Circuits (AREA)
JP13299879A 1979-10-17 1979-10-17 Block relay unit Pending JPS5657230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13299879A JPS5657230A (en) 1979-10-17 1979-10-17 Block relay unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13299879A JPS5657230A (en) 1979-10-17 1979-10-17 Block relay unit

Publications (1)

Publication Number Publication Date
JPS5657230A true JPS5657230A (en) 1981-05-19

Family

ID=15094389

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13299879A Pending JPS5657230A (en) 1979-10-17 1979-10-17 Block relay unit

Country Status (1)

Country Link
JP (1) JPS5657230A (en)

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