JPH0165048U - - Google Patents

Info

Publication number

JPH0165048U

JPH0165048U JP1987158750U JP15875087U JPH0165048U JP H0165048 U JPH0165048 U JP H0165048U JP 1987158750 U JP1987158750 U JP 1987158750U JP 15875087 U JP15875087 U JP 15875087U JP H0165048 U JPH0165048 U JP H0165048U

Authority

JP

Japan

Prior art keywords

cartridge

main body

closed

outer end

prefilter

Prior art date

1987-10-19

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

• 230000001681 protective effect Effects 0.000 claims description 5
• 238000011045 prefiltration Methods 0.000 claims description 4
• 230000000241 respiratory effect Effects 0.000 claims description 3
• 239000004615 ingredient Substances 0.000 claims 1
• 230000001012 protector Effects 0.000 description 1

Cited By (1)