| 摘要 |
PROBLEM TO BE SOLVED: To provide an entrance apparatus for preventing insect pests which invades from entrances of facilities having a space for crops into the facilities. SOLUTION: The entrance apparatus is used for facilities having spaces for crops and inhibits intrusion of insect pests. The entrance apparatus has an entrance door, an entrance passage, in which the entrance door is provided, having a wall part incapable of passing insect pests through and a blower installed on the passage and blowing air toward the entrance door side and making insect pests remain on the outside of the facilities. COPYRIGHT: (C)2006,JPO&NCIPI
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