JPH03129917U - - Google Patents
Info
- Publication number
- JPH03129917U JPH03129917U JP3852990U JP3852990U JPH03129917U JP H03129917 U JPH03129917 U JP H03129917U JP 3852990 U JP3852990 U JP 3852990U JP 3852990 U JP3852990 U JP 3852990U JP H03129917 U JPH03129917 U JP H03129917U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- fresnel lens
- side edge
- plastic fresnel
- magnifier
- 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
Links
- 239000011521 glass Substances 0.000 claims description 2
Landscapes
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3852990U JPH03129917U (xx) | 1990-04-12 | 1990-04-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3852990U JPH03129917U (xx) | 1990-04-12 | 1990-04-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03129917U true JPH03129917U (xx) | 1991-12-26 |
Family
ID=31546617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3852990U Pending JPH03129917U (xx) | 1990-04-12 | 1990-04-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03129917U (xx) |
-
1990
- 1990-04-12 JP JP3852990U patent/JPH03129917U/ja active Pending
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