JPS648359U - - Google Patents

Info

Publication number

JPS648359U

JPS648359U JP10307687U JP10307687U JPS648359U JP S648359 U JPS648359 U JP S648359U JP 10307687 U JP10307687 U JP 10307687U JP 10307687 U JP10307687 U JP 10307687U JP S648359 U JPS648359 U JP S648359U

Authority

JP

Japan

Prior art keywords

frame body

partition wall

secondary filter

rib

rib body

Prior art date

1987-07-04

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

• Espacenet
• Global Dossier
• Discuss

• 239000000428 dust Substances 0.000 claims description 4
• 238000005192 partition Methods 0.000 claims description 3
• 230000002093 peripheral effect Effects 0.000 claims 1
• 238000009423 ventilation Methods 0.000 claims 1
• 238000012856 packing Methods 0.000 description 1