Title:
排気口用フィルタおよびフィルタの交換時期表示方法
Document Type and Number:
Japanese Patent JP4022444
Kind Code:
B2
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| JPS57148127 | VENTILATING DEVICE |
Inventors:
Shinji Watanabe
Application Number:
JP2002207074A
Publication Date:
December 19, 2007
Filing Date:
July 16, 2002
Export Citation:
Assignee:
Arland Co., Ltd.
International Classes:
F24F7/013; B01D46/42; F24F7/06; G09F3/02
Domestic Patent References:
| JP3095335A | ||||
| JP4078919U | ||||
| JP9103662A | ||||
| JP8086480A | ||||
| JP9296389A |
Attorney, Agent or Firm:
Mitsuo Kata