JPH0350994B2 - - Google Patents

Info

Publication number
JPH0350994B2
JPH0350994B2 JP58157555A JP15755583A JPH0350994B2 JP H0350994 B2 JPH0350994 B2 JP H0350994B2 JP 58157555 A JP58157555 A JP 58157555A JP 15755583 A JP15755583 A JP 15755583A JP H0350994 B2 JPH0350994 B2 JP H0350994B2
Authority
JP
Japan
Prior art keywords
line
switch
winding
electric drill
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.)
Expired - Lifetime
Application number
JP58157555A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6049283A (ja
Inventor
Takashi Ozaki
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.)
Osaka Gas Co Ltd
Original Assignee
Osaka Gas 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 Osaka Gas Co Ltd filed Critical Osaka Gas Co Ltd
Priority to JP58157555A priority Critical patent/JPS6049283A/ja
Publication of JPS6049283A publication Critical patent/JPS6049283A/ja
Publication of JPH0350994B2 publication Critical patent/JPH0350994B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/02—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Earth Drilling (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP58157555A 1983-08-29 1983-08-29 地中埋設管の損傷防止装置 Granted JPS6049283A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58157555A JPS6049283A (ja) 1983-08-29 1983-08-29 地中埋設管の損傷防止装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58157555A JPS6049283A (ja) 1983-08-29 1983-08-29 地中埋設管の損傷防止装置

Publications (2)

Publication Number Publication Date
JPS6049283A JPS6049283A (ja) 1985-03-18
JPH0350994B2 true JPH0350994B2 (enrdf_load_stackoverflow) 1991-08-05

Family

ID=15652239

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58157555A Granted JPS6049283A (ja) 1983-08-29 1983-08-29 地中埋設管の損傷防止装置

Country Status (1)

Country Link
JP (1) JPS6049283A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62117919A (ja) * 1985-11-18 1987-05-29 Nissei Kensetsu Kk 埋設管損壊事故防止方法及びその装置
FR3095844B1 (fr) 2019-05-07 2021-04-16 A Raymond Et Cie Dispositif de fixation d’une première pièce à une seconde pièce

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5549491A (en) * 1978-10-04 1980-04-09 Raito Kogyo Kk Method of protecting underground buried body from damage
JPS55144579A (en) * 1979-04-27 1980-11-11 Nec Corp Detector of underground buried material

Also Published As

Publication number Publication date
JPS6049283A (ja) 1985-03-18

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