JPS5021768B2 - - Google Patents
Info
- Publication number
- JPS5021768B2 JPS5021768B2 JP12817272A JP12817272A JPS5021768B2 JP S5021768 B2 JPS5021768 B2 JP S5021768B2 JP 12817272 A JP12817272 A JP 12817272A JP 12817272 A JP12817272 A JP 12817272A JP S5021768 B2 JPS5021768 B2 JP S5021768B2
- 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.)
- Expired
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12817272A JPS5021768B2 (en:Method) | 1972-12-22 | 1972-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12817272A JPS5021768B2 (en:Method) | 1972-12-22 | 1972-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4984025A JPS4984025A (en:Method) | 1974-08-13 |
| JPS5021768B2 true JPS5021768B2 (en:Method) | 1975-07-25 |
Family
ID=14978172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12817272A Expired JPS5021768B2 (en:Method) | 1972-12-22 | 1972-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5021768B2 (en:Method) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5831287A (ja) * | 1981-08-19 | 1983-02-23 | Matsushita Electric Ind Co Ltd | 燃焼用熱交換器 |
| JPS59172945U (ja) * | 1983-05-06 | 1984-11-19 | 株式会社ハ−マン | 給湯器 |
| JPH0614769U (ja) * | 1991-06-18 | 1994-02-25 | パロマ工業株式会社 | 熱交換器 |
-
1972
- 1972-12-22 JP JP12817272A patent/JPS5021768B2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5831287A (ja) * | 1981-08-19 | 1983-02-23 | Matsushita Electric Ind Co Ltd | 燃焼用熱交換器 |
| JPS59172945U (ja) * | 1983-05-06 | 1984-11-19 | 株式会社ハ−マン | 給湯器 |
| JPH0614769U (ja) * | 1991-06-18 | 1994-02-25 | パロマ工業株式会社 | 熱交換器 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4984025A (en:Method) | 1974-08-13 |