JPH02115186U - - Google Patents

Info

Publication number
JPH02115186U
JPH02115186U JP2355689U JP2355689U JPH02115186U JP H02115186 U JPH02115186 U JP H02115186U JP 2355689 U JP2355689 U JP 2355689U JP 2355689 U JP2355689 U JP 2355689U JP H02115186 U JPH02115186 U JP H02115186U
Authority
JP
Japan
Prior art keywords
light
burial
introduction part
natural light
detected
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
JP2355689U
Other languages
English (en)
Japanese (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 JP2355689U priority Critical patent/JPH02115186U/ja
Publication of JPH02115186U publication Critical patent/JPH02115186U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Light Guides In General And Applications Therefor (AREA)
JP2355689U 1989-02-28 1989-02-28 Pending JPH02115186U (US07122547-20061017-C00273.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2355689U JPH02115186U (US07122547-20061017-C00273.png) 1989-02-28 1989-02-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2355689U JPH02115186U (US07122547-20061017-C00273.png) 1989-02-28 1989-02-28

Publications (1)

Publication Number Publication Date
JPH02115186U true JPH02115186U (US07122547-20061017-C00273.png) 1990-09-14

Family

ID=31242647

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2355689U Pending JPH02115186U (US07122547-20061017-C00273.png) 1989-02-28 1989-02-28

Country Status (1)

Country Link
JP (1) JPH02115186U (US07122547-20061017-C00273.png)

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