JPS502454B2 - - Google Patents
Info
- Publication number
- JPS502454B2 JPS502454B2 JP4594372A JP4594372A JPS502454B2 JP S502454 B2 JPS502454 B2 JP S502454B2 JP 4594372 A JP4594372 A JP 4594372A JP 4594372 A JP4594372 A JP 4594372A JP S502454 B2 JPS502454 B2 JP S502454B2
- 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
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Removal Of Floating Material (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4594372A JPS502454B2 (en:Method) | 1972-05-11 | 1972-05-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4594372A JPS502454B2 (en:Method) | 1972-05-11 | 1972-05-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS497851A JPS497851A (en:Method) | 1974-01-24 |
| JPS502454B2 true JPS502454B2 (en:Method) | 1975-01-27 |
Family
ID=12733344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4594372A Expired JPS502454B2 (en:Method) | 1972-05-11 | 1972-05-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS502454B2 (en:Method) |
-
1972
- 1972-05-11 JP JP4594372A patent/JPS502454B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS497851A (en:Method) | 1974-01-24 |