Title:
【発明の名称】斜角プレストレストボックスカルバート及び斜角ボックスカルバートへのプレストレス導入方法
Document Type and Number:
Japanese Patent JP2907740
Kind Code:
B2
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Inventors:
MIZUTANI HIROHISA
Application Number:
JP31930294A
Publication Date:
June 21, 1999
Filing Date:
November 28, 1994
Export Citation:
Assignee:
MIZUTANI KENSETSU KOGYO KK
International Classes:
E03F3/04; E04G21/12; (IPC1-7): E03F3/04; E04G21/12
Domestic Patent References:
| JP6123127A | ||||
| JP62156454A | ||||
| JP62154080U |
Attorney, Agent or Firm:
Hisashi Kato