JPS62122235U - - Google Patents

Info

Publication number

JPS62122235U

JPS62122235U JP946386U JP946386U JPS62122235U JP S62122235 U JPS62122235 U JP S62122235U JP 946386 U JP946386 U JP 946386U JP 946386 U JP946386 U JP 946386U JP S62122235 U JPS62122235 U JP S62122235U

Authority

JP

Japan

Prior art keywords

detection switch

ventilation system

automatic ventilation

utility

pressure

Prior art date

1986-01-24

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

• 238000001514 detection method Methods 0.000 claims description 5
• 238000009423 ventilation Methods 0.000 claims description 5
• 230000001012 protector Effects 0.000 claims description 3
• 230000007613 environmental effect Effects 0.000 claims 1
• 239000000779 smoke Substances 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 1