Title:
破砕カートリッジおよび破砕カートリッジによる岩盤あるいはコンクリート構造物の破砕方法
Document Type and Number:
Japanese Patent JP4431169
Kind Code:
B2
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Inventors:
Takao Koiwa
Application Number:
JP2007293747A
Publication Date:
March 10, 2010
Filing Date:
November 12, 2007
Export Citation:
Assignee:
Takao Koiwa
International Classes:
B02C19/00; B02C19/18; C06B45/00; E04G23/08; E21C37/14
Domestic Patent References:
| JP51032685B1 | ||||
| JP2007112199A | ||||
| JP7145698A | ||||
| JP9038949A | ||||
| JP7224586A | ||||
| JP7233693A | ||||
| JP7233694A |
Attorney, Agent or Firm:
Kenji Yokoi
Yokoi Satoshi
Yokoi Satoshi