JPS6180696U - - Google Patents
Info
- Publication number
- JPS6180696U JPS6180696U JP16692584U JP16692584U JPS6180696U JP S6180696 U JPS6180696 U JP S6180696U JP 16692584 U JP16692584 U JP 16692584U JP 16692584 U JP16692584 U JP 16692584U JP S6180696 U JPS6180696 U JP S6180696U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- closing
- plate
- attached
- opening
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 4
- 229910052742 iron Inorganic materials 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 239000000779 smoke Substances 0.000 claims 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16692584U JPS6180696U (en]) | 1984-11-02 | 1984-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16692584U JPS6180696U (en]) | 1984-11-02 | 1984-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6180696U true JPS6180696U (en]) | 1986-05-29 |
Family
ID=30724732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16692584U Pending JPS6180696U (en]) | 1984-11-02 | 1984-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6180696U (en]) |
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1984
- 1984-11-02 JP JP16692584U patent/JPS6180696U/ja active Pending