Title:
ブロック材及びその製造方法
Document Type and Number:
Japanese Patent JP3974810
Kind Code:
B2
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Inventors:
Hiroshi Sakiyama
Application Number:
JP2002123378A
Publication Date:
September 12, 2007
Filing Date:
April 25, 2002
Export Citation:
Assignee:
Limited company Artoon
International Classes:
E01C5/22; E02D17/20; B28B1/14; E02D29/02; E04C1/40
Domestic Patent References:
| JP3040514U | ||||
| JP51013104U | ||||
| JP9003808A | ||||
| JP11348014A | ||||
| JP6228905A | ||||
| JP3049891U |
Attorney, Agent or Firm:
Yoshiyuki Osuga