JPH0446515Y2 - - Google Patents

Info

Publication number

JPH0446515Y2

JPH0446515Y2 JP10990086U JP10990086U JPH0446515Y2 JP H0446515 Y2 JPH0446515 Y2 JP H0446515Y2 JP 10990086 U JP10990086 U JP 10990086U JP 10990086 U JP10990086 U JP 10990086U JP H0446515 Y2 JPH0446515 Y2 JP H0446515Y2

Authority

JP

Japan

Prior art keywords

grass

wind

collection container

exhaust

exhaust pipe

Prior art date

1986-07-17

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

• 244000025254 Cannabis sativa Species 0.000 claims description 47
• 241001494496 Leersia Species 0.000 claims description 7
• 238000007599 discharging Methods 0.000 claims description 5
• 230000007423 decrease Effects 0.000 description 4
• 238000009423 ventilation Methods 0.000 description 4
• 230000000694 effects Effects 0.000 description 3
• 230000005540 biological transmission Effects 0.000 description 2
• 230000003247 decreasing effect Effects 0.000 description 1
• 238000001514 detection method Methods 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 238000005192 partition Methods 0.000 description 1