JPS4955398A - - Google Patents
Info
- Publication number
- JPS4955398A JPS4955398A JP9679772A JP9679772A JPS4955398A JP S4955398 A JPS4955398 A JP S4955398A JP 9679772 A JP9679772 A JP 9679772A JP 9679772 A JP9679772 A JP 9679772A JP S4955398 A JPS4955398 A JP S4955398A
- Authority
- JP
- Japan
- 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
- Examining Or Testing Airtightness (AREA)
- Pipeline Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9679772A JPS5247706B2 (ja) | 1972-09-27 | 1972-09-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9679772A JPS5247706B2 (ja) | 1972-09-27 | 1972-09-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4955398A true JPS4955398A (ja) | 1974-05-29 |
JPS5247706B2 JPS5247706B2 (ja) | 1977-12-05 |
Family
ID=14174603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9679772A Expired JPS5247706B2 (ja) | 1972-09-27 | 1972-09-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5247706B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5330027A (en) * | 1976-08-30 | 1978-03-20 | Ledeen Flow Control Systems | Means for detecting destruction of pipelines |
JPS5351521A (en) * | 1976-10-21 | 1978-05-11 | Japan Steel Works Ltd:The | Line-brake detector |
JPS5356714A (en) * | 1976-11-04 | 1978-05-23 | Japan Steel Works Ltd:The | Line break detector |
-
1972
- 1972-09-27 JP JP9679772A patent/JPS5247706B2/ja not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5330027A (en) * | 1976-08-30 | 1978-03-20 | Ledeen Flow Control Systems | Means for detecting destruction of pipelines |
JPS567115B2 (ja) * | 1976-08-30 | 1981-02-16 | ||
JPS5351521A (en) * | 1976-10-21 | 1978-05-11 | Japan Steel Works Ltd:The | Line-brake detector |
JPS567118B2 (ja) * | 1976-10-21 | 1981-02-16 | ||
JPS5356714A (en) * | 1976-11-04 | 1978-05-23 | Japan Steel Works Ltd:The | Line break detector |
JPS567119B2 (ja) * | 1976-11-04 | 1981-02-16 |
Also Published As
Publication number | Publication date |
---|---|
JPS5247706B2 (ja) | 1977-12-05 |