Title:
即時脱型コンクリート製品の製造方法及びコンクリート製蓋
Document Type and Number:
Japanese Patent JP4456986
Kind Code:
B2
Inventors:
Osamu Kaneko
Shigeru Yokoyama
Shinji Okabe
Kazuhiko Sato
Shigeru Yokoyama
Shinji Okabe
Kazuhiko Sato
Application Number:
JP2004332131A
Publication Date:
April 28, 2010
Filing Date:
November 16, 2004
Export Citation:
Assignee:
Maeda Pipe Manufacturing Co., Ltd.
International Classes:
B28B23/00; E03F5/04
Domestic Patent References:
| JP61198386U | ||||
| JP4141403A | ||||
| JP286709U | ||||
| JP760734A | ||||
| JP4721717A | ||||
| JP61195807A |
Attorney, Agent or Firm:
Takeshi Yoneya
Takashi Yoneya
Takashi Yoneya