Title:
砂防堰堤改良構造および砂防堰堤改良工法
Document Type and Number:
Japanese Patent JP6595892
Kind Code:
B2
Inventors:
Hiroshi Kokuryo
Application Number:
JP2015237514A
Publication Date:
October 23, 2019
Filing Date:
December 04, 2015
Export Citation:
Assignee:
Nittetsu Building Materials Co., Ltd.
International Classes:
E02B7/02
Domestic Patent References:
| JP2014211069A | ||||
| JP2011089393A | ||||
| JP2009275434A | ||||
| JP11050435A | ||||
| JP9310327A | ||||
| JP2006274575A |
Foreign References:
| KR1020090021421A |
Attorney, Agent or Firm:
Masahiko Yamana
Takao Oshima
Takao Oshima