Title:
【発明の名称】暗渠ブロック製造法
Document Type and Number:
Japanese Patent JP2957644
Kind Code:
B2
More Like This:
Inventors:
HAYASHI TOSHIKATSU
Application Number:
JP16497090A
Publication Date:
October 06, 1999
Filing Date:
June 22, 1990
Export Citation:
Assignee:
KAIEE TEKUNO KK
International Classes:
E01F5/00; B28B7/00; B28B7/10; B28B7/18; B28B7/30; B28B21/88; (IPC1-7): B28B21/88; B28B7/00; B28B7/10; B28B7/18; B28B7/30; E01F5/00
Domestic Patent References:
| JP28907U |