JPS4020332Y1 - - Google Patents

Info

Publication number
JPS4020332Y1
JPS4020332Y1 JP8676464U JP8676464U JPS4020332Y1 JP S4020332 Y1 JPS4020332 Y1 JP S4020332Y1 JP 8676464 U JP8676464 U JP 8676464U JP 8676464 U JP8676464 U JP 8676464U JP S4020332 Y1 JPS4020332 Y1 JP S4020332Y1
Authority
JP
Japan
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.)
Expired
Application number
JP8676464U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP8676464U priority Critical patent/JPS4020332Y1/ja
Publication of JPS4020332Y1 publication Critical patent/JPS4020332Y1/ja
Expired legal-status Critical Current

Links

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Waveguide Aerials (AREA)
  • Near-Field Transmission Systems (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
JP8676464U 1964-11-09 1964-11-09 Expired JPS4020332Y1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8676464U JPS4020332Y1 (fr) 1964-11-09 1964-11-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8676464U JPS4020332Y1 (fr) 1964-11-09 1964-11-09

Publications (1)

Publication Number Publication Date
JPS4020332Y1 true JPS4020332Y1 (fr) 1965-07-15

Family

ID=31818591

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8676464U Expired JPS4020332Y1 (fr) 1964-11-09 1964-11-09

Country Status (1)

Country Link
JP (1) JPS4020332Y1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51107011A (en) * 1975-03-17 1976-09-22 Hitachi Cable Idotaitsushinhoshiki
JPS5377409A (en) * 1976-12-21 1978-07-08 Hitachi Ltd Communication method in tunnel and underground
JPS5377408A (en) * 1976-12-21 1978-07-08 Hitachi Ltd Communication unit in tunnel and underground
JPS53105111A (en) * 1977-02-24 1978-09-13 Toshiba Corp Leak cable line

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51107011A (en) * 1975-03-17 1976-09-22 Hitachi Cable Idotaitsushinhoshiki
JPS5377409A (en) * 1976-12-21 1978-07-08 Hitachi Ltd Communication method in tunnel and underground
JPS5377408A (en) * 1976-12-21 1978-07-08 Hitachi Ltd Communication unit in tunnel and underground
JPS5645537B2 (fr) * 1976-12-21 1981-10-27
JPS5645540B2 (fr) * 1976-12-21 1981-10-27
JPS53105111A (en) * 1977-02-24 1978-09-13 Toshiba Corp Leak cable line
JPS5722456B2 (fr) * 1977-02-24 1982-05-13

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