Title:
梯子状まくらぎ
Document Type and Number:
Japanese Patent JP4538664
Kind Code:
B2
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Inventors:
Mitsuo Hanawa
Akihisa Harada
Yuichiro Hori
Masakazu Kurashige
Tokuyuki Terada
Tianjin shepherd
Sadaomi Ota
Akihisa Harada
Yuichiro Hori
Masakazu Kurashige
Tokuyuki Terada
Tianjin shepherd
Sadaomi Ota
Application Number:
JP2001117489A
Publication Date:
September 08, 2010
Filing Date:
March 12, 2001
Export Citation:
Assignee:
East Japan Railway Company
Nippon Jojo Co., Ltd.
Nippon Jojo Co., Ltd.
International Classes:
E01B3/22; E01B3/46
Domestic Patent References:
| JP10317303A | ||||
| JP11336001A | ||||
| JP8177001A | ||||
| JP39010451B1 | ||||
| JP63045801U | ||||
| JP10037101A | ||||
| JP52109308U | ||||
| JP46000190Y1 |
Foreign References:
| WO1991012374A1 |
Attorney, Agent or Firm:
Kyosei International Patent Office