Title:
余裕幅無プレキャストボックスカルバート土留開削工法
Document Type and Number:
Japanese Patent JP4761052
Kind Code:
B2
Inventors:
Kato Masaki
Application Number:
JP2006069962A
Publication Date:
August 31, 2011
Filing Date:
February 15, 2006
Export Citation:
Assignee:
Kato Masaki
Fukuo Sakuma
Yuji Tanaka
Fukuo Sakuma
Yuji Tanaka
International Classes:
E02D29/05
Domestic Patent References:
| JP57116897A | ||||
| JP5171888A | ||||
| JP2000265484A | ||||
| JP11036296A | ||||
| JP51070919A | ||||
| JP55114797A |