JPS647316Y2 - - Google Patents

Info

Publication number
JPS647316Y2
JPS647316Y2 JP1981035330U JP3533081U JPS647316Y2 JP S647316 Y2 JPS647316 Y2 JP S647316Y2 JP 1981035330 U JP1981035330 U JP 1981035330U JP 3533081 U JP3533081 U JP 3533081U JP S647316 Y2 JPS647316 Y2 JP S647316Y2
Authority
JP
Japan
Prior art keywords
optical
light
optical fiber
refractory
furnace
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
Application number
JP1981035330U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57149444U (da
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 JP1981035330U priority Critical patent/JPS647316Y2/ja
Publication of JPS57149444U publication Critical patent/JPS57149444U/ja
Application granted granted Critical
Publication of JPS647316Y2 publication Critical patent/JPS647316Y2/ja
Expired 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)
JP1981035330U 1981-03-16 1981-03-16 Expired JPS647316Y2 (da)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981035330U JPS647316Y2 (da) 1981-03-16 1981-03-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981035330U JPS647316Y2 (da) 1981-03-16 1981-03-16

Publications (2)

Publication Number Publication Date
JPS57149444U JPS57149444U (da) 1982-09-20
JPS647316Y2 true JPS647316Y2 (da) 1989-02-27

Family

ID=29832591

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981035330U Expired JPS647316Y2 (da) 1981-03-16 1981-03-16

Country Status (1)

Country Link
JP (1) JPS647316Y2 (da)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542311B2 (da) * 1973-05-29 1980-10-29
US3910105A (en) * 1974-08-16 1975-10-07 Boeing Co Method for detection of flaws in composite fiberglass structures

Also Published As

Publication number Publication date
JPS57149444U (da) 1982-09-20

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