JPS642667Y2 - - Google Patents

Info

Publication number

JPS642667Y2

JPS642667Y2 JP7853683U JP7853683U JPS642667Y2 JP S642667 Y2 JPS642667 Y2 JP S642667Y2 JP 7853683 U JP7853683 U JP 7853683U JP 7853683 U JP7853683 U JP 7853683U JP S642667 Y2 JPS642667 Y2 JP S642667Y2

Authority

JP

Japan

Prior art keywords

filter

lid

opening

dust collection

storage container

Prior art date

1983-05-25

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

• Espacenet
• Global Dossier
• Discuss

• 239000000428 dust Substances 0.000 claims description 73
• 230000005484 gravity Effects 0.000 description 4
• 238000012856 packing Methods 0.000 description 3
• 230000000694 effects Effects 0.000 description 2
• 238000004140 cleaning Methods 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 238000010186 staining Methods 0.000 description 1
• 238000009423 ventilation Methods 0.000 description 1