Title:
地下構造物用蓋の開閉構造
Document Type and Number:
Japanese Patent JP4521998
Kind Code:
B2
Inventors:
Tonobu Hatake
Application Number:
JP2001015988A
Publication Date:
August 11, 2010
Filing Date:
January 24, 2001
Export Citation:
Assignee:
Rainbow Technology Co., Ltd.
International Classes:
E02D29/14
Domestic Patent References:
| JP64029527A | ||||
| JP8269994A | ||||
| JP53101443U | ||||
| JP2000220162A | ||||
| JP510034Y2 |
Attorney, Agent or Firm:
Hiroshi Tanaka