JPH0228450Y2 - - Google Patents
Info
- Publication number
- JPH0228450Y2 JPH0228450Y2 JP4045383U JP4045383U JPH0228450Y2 JP H0228450 Y2 JPH0228450 Y2 JP H0228450Y2 JP 4045383 U JP4045383 U JP 4045383U JP 4045383 U JP4045383 U JP 4045383U JP H0228450 Y2 JPH0228450 Y2 JP H0228450Y2
- Authority
- JP
- Japan
- Prior art keywords
- flapper
- hole
- passage
- see
- viewing
- 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
Links
- 239000011521 glass Substances 0.000 claims description 18
- 239000012530 fluid Substances 0.000 description 10
- 238000002594 fluoroscopy Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4045383U JPS59146774U (ja) | 1983-03-18 | 1983-03-18 | サイトグラス |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4045383U JPS59146774U (ja) | 1983-03-18 | 1983-03-18 | サイトグラス |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59146774U JPS59146774U (ja) | 1984-10-01 |
| JPH0228450Y2 true JPH0228450Y2 (is") | 1990-07-31 |
Family
ID=30171078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4045383U Granted JPS59146774U (ja) | 1983-03-18 | 1983-03-18 | サイトグラス |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59146774U (is") |
-
1983
- 1983-03-18 JP JP4045383U patent/JPS59146774U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59146774U (ja) | 1984-10-01 |
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