JPS6221869Y2 - - Google Patents

Info

Publication number
JPS6221869Y2
JPS6221869Y2 JP1981003946U JP394681U JPS6221869Y2 JP S6221869 Y2 JPS6221869 Y2 JP S6221869Y2 JP 1981003946 U JP1981003946 U JP 1981003946U JP 394681 U JP394681 U JP 394681U JP S6221869 Y2 JPS6221869 Y2 JP S6221869Y2
Authority
JP
Japan
Prior art keywords
filter
intake port
ventilation fan
filters
frame
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
Application number
JP1981003946U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57118225U (en]
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1981003946U priority Critical patent/JPS6221869Y2/ja
Publication of JPS57118225U publication Critical patent/JPS57118225U/ja
Application granted granted Critical
Publication of JPS6221869Y2 publication Critical patent/JPS6221869Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)
JP1981003946U 1981-01-13 1981-01-13 Expired JPS6221869Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981003946U JPS6221869Y2 (en]) 1981-01-13 1981-01-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981003946U JPS6221869Y2 (en]) 1981-01-13 1981-01-13

Publications (2)

Publication Number Publication Date
JPS57118225U JPS57118225U (en]) 1982-07-22
JPS6221869Y2 true JPS6221869Y2 (en]) 1987-06-03

Family

ID=29802386

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981003946U Expired JPS6221869Y2 (en]) 1981-01-13 1981-01-13

Country Status (1)

Country Link
JP (1) JPS6221869Y2 (en])

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5120049U (en]) * 1974-07-31 1976-02-14

Also Published As

Publication number Publication date
JPS57118225U (en]) 1982-07-22

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