Title:
目詰まり防止装置
Document Type and Number:
Japanese Patent JP4379086
Kind Code:
B2
Inventors:
Shin Matsumoto
Katsuji Fukumoto
Kenji Tomoishi
Tabata Minoru
Katsuji Fukumoto
Kenji Tomoishi
Tabata Minoru
Application Number:
JP2003378011A
Publication Date:
December 09, 2009
Filing Date:
November 07, 2003
Export Citation:
Assignee:
Obayashi Corporation
International Classes:
E02D19/10
Domestic Patent References:
| JP2002256538A | ||||
| JP50060852U | ||||
| JP49082115A | ||||
| JP1263312A | ||||
| JP51124006A | ||||
| JP6146257A |
Attorney, Agent or Firm:
Masatoshi Matsumoto