Title:
【発明の名称】擁壁ブロック
Document Type and Number:
Japanese Patent JP2969573
Kind Code:
B2
Inventors:
HATA MINORU
ARAI NORIHIKO
ARAI NORIHIKO
Application Number:
JP2522791A
Publication Date:
November 02, 1999
Filing Date:
January 28, 1991
Export Citation:
Assignee:
KEIKON KK
TAIHEIYO SEMENTO KK
TAIHEIYO SEMENTO KK
International Classes:
E02D29/02; (IPC1-7): E02D29/02
Domestic Patent References:
| JP1219218A | ||||
| JP55168608U |
Attorney, Agent or Firm:
Saburo Tsuji