JPS542591Y2 - - Google Patents
Info
- Publication number
- JPS542591Y2 JPS542591Y2 JP1972137704U JP13770472U JPS542591Y2 JP S542591 Y2 JPS542591 Y2 JP S542591Y2 JP 1972137704 U JP1972137704 U JP 1972137704U JP 13770472 U JP13770472 U JP 13770472U JP S542591 Y2 JPS542591 Y2 JP S542591Y2
- 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
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972137704U JPS542591Y2 (en:Method) | 1972-11-30 | 1972-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972137704U JPS542591Y2 (en:Method) | 1972-11-30 | 1972-11-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4993528U JPS4993528U (en:Method) | 1974-08-13 |
| JPS542591Y2 true JPS542591Y2 (en:Method) | 1979-02-03 |
Family
ID=28410404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1972137704U Expired JPS542591Y2 (en:Method) | 1972-11-30 | 1972-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS542591Y2 (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4749837B2 (ja) * | 2005-11-07 | 2011-08-17 | 城東テクノ株式会社 | 天井点検口 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5317626U (en:Method) * | 1976-07-23 | 1978-02-15 |
-
1972
- 1972-11-30 JP JP1972137704U patent/JPS542591Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4993528U (en:Method) | 1974-08-13 |