JPH0289351U - - Google Patents

Info

Publication number
JPH0289351U
JPH0289351U JP16917388U JP16917388U JPH0289351U JP H0289351 U JPH0289351 U JP H0289351U JP 16917388 U JP16917388 U JP 16917388U JP 16917388 U JP16917388 U JP 16917388U JP H0289351 U JPH0289351 U JP H0289351U
Authority
JP
Japan
Prior art keywords
light
pipe
amount
detecting
main body
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
JP16917388U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0618286Y2 (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 JP1988169173U priority Critical patent/JPH0618286Y2/ja
Publication of JPH0289351U publication Critical patent/JPH0289351U/ja
Application granted granted Critical
Publication of JPH0618286Y2 publication Critical patent/JPH0618286Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
JP1988169173U 1988-12-28 1988-12-28 管内面状況検出装置 Expired - Lifetime JPH0618286Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988169173U JPH0618286Y2 (ja) 1988-12-28 1988-12-28 管内面状況検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988169173U JPH0618286Y2 (ja) 1988-12-28 1988-12-28 管内面状況検出装置

Publications (2)

Publication Number Publication Date
JPH0289351U true JPH0289351U (US20030204162A1-20031030-M00001.png) 1990-07-16
JPH0618286Y2 JPH0618286Y2 (ja) 1994-05-11

Family

ID=31458993

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988169173U Expired - Lifetime JPH0618286Y2 (ja) 1988-12-28 1988-12-28 管内面状況検出装置

Country Status (1)

Country Link
JP (1) JPH0618286Y2 (US20030204162A1-20031030-M00001.png)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58172862U (ja) * 1982-05-15 1983-11-18 株式会社ボッシュオートモーティブ　システム 内周面状態検出装置
JPS60155947A (ja) * 1984-01-26 1985-08-16 Mitsubishi Heavy Ind Ltd 円筒孔内の黒色酸化膜検知装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58172862U (ja) * 1982-05-15 1983-11-18 株式会社ボッシュオートモーティブ　システム 内周面状態検出装置
JPS60155947A (ja) * 1984-01-26 1985-08-16 Mitsubishi Heavy Ind Ltd 円筒孔内の黒色酸化膜検知装置

Also Published As

Publication number Publication date
JPH0618286Y2 (ja) 1994-05-11

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