JPS52154656A - Detection of duct line displacement - Google Patents

Detection of duct line displacement

Info

Publication number
JPS52154656A
JPS52154656A JP7104476A JP7104476A JPS52154656A JP S52154656 A JPS52154656 A JP S52154656A JP 7104476 A JP7104476 A JP 7104476A JP 7104476 A JP7104476 A JP 7104476A JP S52154656 A JPS52154656 A JP S52154656A
Authority
JP
Japan
Prior art keywords
duct line
detection
line displacement
displacement
sight
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
JP7104476A
Other languages
English (en)
Inventor
Hiroaki Hayashi
Toshio Wada
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.)
Furukawa Electric Co Ltd
Sumitomo Electric Industries Ltd
Tokyo Electric Power Co Holdings Inc
Original Assignee
Furukawa Electric Co Ltd
Tokyo Electric Power Co Inc
Sumitomo Electric Industries 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 Furukawa Electric Co Ltd, Tokyo Electric Power Co Inc, Sumitomo Electric Industries Ltd filed Critical Furukawa Electric Co Ltd
Priority to JP7104476A priority Critical patent/JPS52154656A/ja
Publication of JPS52154656A publication Critical patent/JPS52154656A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
JP7104476A 1976-06-18 1976-06-18 Detection of duct line displacement Pending JPS52154656A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7104476A JPS52154656A (en) 1976-06-18 1976-06-18 Detection of duct line displacement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7104476A JPS52154656A (en) 1976-06-18 1976-06-18 Detection of duct line displacement

Publications (1)

Publication Number Publication Date
JPS52154656A true JPS52154656A (en) 1977-12-22

Family

ID=13449117

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7104476A Pending JPS52154656A (en) 1976-06-18 1976-06-18 Detection of duct line displacement

Country Status (1)

Country Link
JP (1) JPS52154656A (ja)

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