JPH02118854U - - Google Patents
Info
- Publication number
- JPH02118854U JPH02118854U JP2693089U JP2693089U JPH02118854U JP H02118854 U JPH02118854 U JP H02118854U JP 2693089 U JP2693089 U JP 2693089U JP 2693089 U JP2693089 U JP 2693089U JP H02118854 U JPH02118854 U JP H02118854U
- Authority
- JP
- Japan
- Prior art keywords
- pool
- plate
- mirror
- frame
- transparency
- 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
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2693089U JPH068539Y2 (ja) | 1989-03-09 | 1989-03-09 | プール水の透明度観察用鏡台 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2693089U JPH068539Y2 (ja) | 1989-03-09 | 1989-03-09 | プール水の透明度観察用鏡台 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02118854U true JPH02118854U (en, 2012) | 1990-09-25 |
| JPH068539Y2 JPH068539Y2 (ja) | 1994-03-02 |
Family
ID=31248995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2693089U Expired - Lifetime JPH068539Y2 (ja) | 1989-03-09 | 1989-03-09 | プール水の透明度観察用鏡台 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH068539Y2 (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3726018B2 (ja) * | 2000-12-18 | 2005-12-14 | 株式会社三協 | プール水の透明度測定キット |
-
1989
- 1989-03-09 JP JP2693089U patent/JPH068539Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH068539Y2 (ja) | 1994-03-02 |