Title:
水抜きパイプ貫通型擁壁構築用ブロックの製造方法
Document Type and Number:
Japanese Patent JP4151956
Kind Code:
B2
Inventors:
Masanori Kanaya
Application Number:
JP2003123995A
Publication Date:
September 17, 2008
Filing Date:
April 28, 2003
Export Citation:
Assignee:
Mitani Sexan Co., Ltd.
International Classes:
B28B7/18; E02D29/02; B28B23/00
Domestic Patent References:
| JP61077207U | ||||
| JP4086203A | ||||
| JP3002142U | ||||
| JP7237212A |
Attorney, Agent or Firm:
Shinji Shirasaki