JPH043110Y2 - - Google Patents

Info

Publication number

JPH043110Y2

JPH043110Y2 JP10355787U JP10355787U JPH043110Y2 JP H043110 Y2 JPH043110 Y2 JP H043110Y2 JP 10355787 U JP10355787 U JP 10355787U JP 10355787 U JP10355787 U JP 10355787U JP H043110 Y2 JPH043110 Y2 JP H043110Y2

Authority

JP

Japan

Prior art keywords

door

entrance

ventilation

ventilation door

existing

Prior art date

1987-07-06

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

• 238000009423 ventilation Methods 0.000 claims description 41
• 238000006073 displacement reaction Methods 0.000 claims description 7
• 241000255925 Diptera Species 0.000 description 2
• 241000238631 Hexapoda Species 0.000 description 2
• 238000009434 installation Methods 0.000 description 2
• 230000002265 prevention Effects 0.000 description 2
• 230000000903 blocking effect Effects 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 230000004048 modification Effects 0.000 description 1
• 238000012986 modification Methods 0.000 description 1