JPH0198985U - - Google Patents
Info
- Publication number
- JPH0198985U JPH0198985U JP19610287U JP19610287U JPH0198985U JP H0198985 U JPH0198985 U JP H0198985U JP 19610287 U JP19610287 U JP 19610287U JP 19610287 U JP19610287 U JP 19610287U JP H0198985 U JPH0198985 U JP H0198985U
- Authority
- JP
- Japan
- Prior art keywords
- rotation speed
- connecting portion
- valve
- speed detector
- underground
- 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
- 238000001514 detection method Methods 0.000 claims 1
Landscapes
- Indication Of The Valve Opening Or Closing Status (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19610287U JPH0198985U (fr) | 1987-12-23 | 1987-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19610287U JPH0198985U (fr) | 1987-12-23 | 1987-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0198985U true JPH0198985U (fr) | 1989-07-03 |
Family
ID=31486740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19610287U Pending JPH0198985U (fr) | 1987-12-23 | 1987-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0198985U (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10103562A (ja) * | 1996-09-24 | 1998-04-21 | Hitachi Plant Eng & Constr Co Ltd | バルブ開閉度表示装置およびバルブ開閉度復旧方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS608586B2 (ja) * | 1975-12-16 | 1985-03-04 | リトン インダストリース インコーポレーテッド | 半田なし電気接点 |
-
1987
- 1987-12-23 JP JP19610287U patent/JPH0198985U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS608586B2 (ja) * | 1975-12-16 | 1985-03-04 | リトン インダストリース インコーポレーテッド | 半田なし電気接点 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10103562A (ja) * | 1996-09-24 | 1998-04-21 | Hitachi Plant Eng & Constr Co Ltd | バルブ開閉度表示装置およびバルブ開閉度復旧方法 |