JPH02128102U - - Google Patents

Info

Publication number
JPH02128102U
JPH02128102U JP3664589U JP3664589U JPH02128102U JP H02128102 U JPH02128102 U JP H02128102U JP 3664589 U JP3664589 U JP 3664589U JP 3664589 U JP3664589 U JP 3664589U JP H02128102 U JPH02128102 U JP H02128102U
Authority
JP
Japan
Prior art keywords
plate
opaque
difficult
visible light
layer formed
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
JP3664589U
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 JP3664589U priority Critical patent/JPH02128102U/ja
Publication of JPH02128102U publication Critical patent/JPH02128102U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Elements Other Than Lenses (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
JP3664589U 1989-03-30 1989-03-30 Pending JPH02128102U (US06521211-20030218-C00004.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3664589U JPH02128102U (US06521211-20030218-C00004.png) 1989-03-30 1989-03-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3664589U JPH02128102U (US06521211-20030218-C00004.png) 1989-03-30 1989-03-30

Publications (1)

Publication Number Publication Date
JPH02128102U true JPH02128102U (US06521211-20030218-C00004.png) 1990-10-23

Family

ID=31543057

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3664589U Pending JPH02128102U (US06521211-20030218-C00004.png) 1989-03-30 1989-03-30

Country Status (1)

Country Link
JP (1) JPH02128102U (US06521211-20030218-C00004.png)

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