JPS5842735U - 管路走行機の警報器付マンドリル - Google Patents

管路走行機の警報器付マンドリル

Info

Publication number
JPS5842735U
JPS5842735U JP13771881U JP13771881U JPS5842735U JP S5842735 U JPS5842735 U JP S5842735U JP 13771881 U JP13771881 U JP 13771881U JP 13771881 U JP13771881 U JP 13771881U JP S5842735 U JPS5842735 U JP S5842735U
Authority
JP
Japan
Prior art keywords
mandrill
alarm
attached
traveling machine
running machine
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.)
Granted
Application number
JP13771881U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0230768Y2 (enrdf_load_stackoverflow
Inventor
林　勝二郎
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
Takaoka Toko Co Ltd
Original Assignee
Osaka Gas Co Ltd
Takaoka Electric Mfg 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, Takaoka Electric Mfg Co Ltd filed Critical Osaka Gas Co Ltd
Priority to JP13771881U priority Critical patent/JPS5842735U/ja
Publication of JPS5842735U publication Critical patent/JPS5842735U/ja
Application granted granted Critical
Publication of JPH0230768Y2 publication Critical patent/JPH0230768Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Examining Or Testing Airtightness (AREA)
JP13771881U 1981-09-18 1981-09-18 管路走行機の警報器付マンドリル Granted JPS5842735U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13771881U JPS5842735U (ja) 1981-09-18 1981-09-18 管路走行機の警報器付マンドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13771881U JPS5842735U (ja) 1981-09-18 1981-09-18 管路走行機の警報器付マンドリル

Publications (2)

Publication Number Publication Date
JPS5842735U true JPS5842735U (ja) 1983-03-22
JPH0230768Y2 JPH0230768Y2 (enrdf_load_stackoverflow) 1990-08-20

Family

ID=29930974

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13771881U Granted JPS5842735U (ja) 1981-09-18 1981-09-18 管路走行機の警報器付マンドリル

Country Status (1)

Country Link
JP (1) JPS5842735U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0230768Y2 (enrdf_load_stackoverflow) 1990-08-20

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