JPS52109626A - Gas breaking devices by detecting earthquake - Google Patents
Gas breaking devices by detecting earthquakeInfo
- Publication number
- JPS52109626A JPS52109626A JP2674076A JP2674076A JPS52109626A JP S52109626 A JPS52109626 A JP S52109626A JP 2674076 A JP2674076 A JP 2674076A JP 2674076 A JP2674076 A JP 2674076A JP S52109626 A JPS52109626 A JP S52109626A
- Authority
- JP
- Japan
- Prior art keywords
- breaking devices
- gas breaking
- detecting earthquake
- earthquake
- detecting
- 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
Landscapes
- Safety Valves (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2674076A JPS52109626A (en) | 1976-03-12 | 1976-03-12 | Gas breaking devices by detecting earthquake |
US05/836,909 US4152433A (en) | 1976-03-12 | 1977-09-26 | 2-Lower alkyl-7-substituted-2 or 3-cephem-4-carboxylic acid compounds and pharmaceutical compositions |
US05/915,459 US4299829A (en) | 1976-03-12 | 1978-06-14 | 2-Lower alkyl-7-substituted-2 or 3-cephem 4-carboxylic acid compounds |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2674076A JPS52109626A (en) | 1976-03-12 | 1976-03-12 | Gas breaking devices by detecting earthquake |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52109626A true JPS52109626A (en) | 1977-09-14 |
Family
ID=12201687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2674076A Pending JPS52109626A (en) | 1976-03-12 | 1976-03-12 | Gas breaking devices by detecting earthquake |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52109626A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002181505A (en) * | 2000-12-14 | 2002-06-26 | Asahi Kasei Electronics Co Ltd | Magnetic sensor unit |
-
1976
- 1976-03-12 JP JP2674076A patent/JPS52109626A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002181505A (en) * | 2000-12-14 | 2002-06-26 | Asahi Kasei Electronics Co Ltd | Magnetic sensor unit |
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