JPH02123252U - - Google Patents

Info

Publication number

JPH02123252U

JPH02123252U JP3376089U JP3376089U JPH02123252U JP H02123252 U JPH02123252 U JP H02123252U JP 3376089 U JP3376089 U JP 3376089U JP 3376089 U JP3376089 U JP 3376089U JP H02123252 U JPH02123252 U JP H02123252U

Authority

JP

Japan

Prior art keywords

hood

smoke

covers

head

proof

Prior art date

1989-03-24

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

• 210000000988 bone and bone Anatomy 0.000 claims description 2
• 229920003002 synthetic resin Polymers 0.000 claims description 2
• 239000000057 synthetic resin Substances 0.000 claims description 2
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
• RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims 1
• 239000003063 flame retardant Substances 0.000 claims 1
• 238000009423 ventilation Methods 0.000 claims 1