JPS57163517A - Manufacture of porous concrete pipe - Google Patents
Manufacture of porous concrete pipeInfo
- Publication number
- JPS57163517A JPS57163517A JP4838581A JP4838581A JPS57163517A JP S57163517 A JPS57163517 A JP S57163517A JP 4838581 A JP4838581 A JP 4838581A JP 4838581 A JP4838581 A JP 4838581A JP S57163517 A JPS57163517 A JP S57163517A
- Authority
- JP
- Japan
- Prior art keywords
- manufacture
- concrete pipe
- porous concrete
- porous
- pipe
- 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.)
- Granted
Links
Landscapes
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4838581A JPS5838285B2 (en) | 1981-04-02 | 1981-04-02 | Manufacturing method of porous concrete pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4838581A JPS5838285B2 (en) | 1981-04-02 | 1981-04-02 | Manufacturing method of porous concrete pipe |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57163517A true JPS57163517A (en) | 1982-10-07 |
JPS5838285B2 JPS5838285B2 (en) | 1983-08-22 |
Family
ID=12801830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4838581A Expired JPS5838285B2 (en) | 1981-04-02 | 1981-04-02 | Manufacturing method of porous concrete pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5838285B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01165330A (en) * | 1987-12-22 | 1989-06-29 | Takeshi Matsudaira | Method for removing birds and device used therefor |
JPH0711183U (en) * | 1993-07-23 | 1995-02-21 | 有限会社谷本板金 | Pigeon intrusion prevention device |
-
1981
- 1981-04-02 JP JP4838581A patent/JPS5838285B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5838285B2 (en) | 1983-08-22 |
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