JPH0123052Y2 - - Google Patents
Info
- Publication number
- JPH0123052Y2 JPH0123052Y2 JP14176183U JP14176183U JPH0123052Y2 JP H0123052 Y2 JPH0123052 Y2 JP H0123052Y2 JP 14176183 U JP14176183 U JP 14176183U JP 14176183 U JP14176183 U JP 14176183U JP H0123052 Y2 JPH0123052 Y2 JP H0123052Y2
- Authority
- JP
- Japan
- Prior art keywords
- protective sheet
- shutter
- attached
- dirt
- sheet
- 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.)
- Expired
Links
- 230000001681 protective effect Effects 0.000 claims description 33
- 238000009423 ventilation Methods 0.000 description 12
- 239000000428 dust Substances 0.000 description 8
- 238000000465 moulding Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
Landscapes
- Ventilation (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14176183U JPS6050733U (ja) | 1983-09-12 | 1983-09-12 | 換気装置用シャッタ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14176183U JPS6050733U (ja) | 1983-09-12 | 1983-09-12 | 換気装置用シャッタ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6050733U JPS6050733U (ja) | 1985-04-10 |
JPH0123052Y2 true JPH0123052Y2 (en, 2012) | 1989-07-14 |
Family
ID=30316966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14176183U Granted JPS6050733U (ja) | 1983-09-12 | 1983-09-12 | 換気装置用シャッタ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6050733U (en, 2012) |
-
1983
- 1983-09-12 JP JP14176183U patent/JPS6050733U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6050733U (ja) | 1985-04-10 |
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