Title:
【発明の名称】シールド掘進機用カッター
Document Type and Number:
Japanese Patent JPH0726519
Kind Code:
B2
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Inventors:
Ken Ogasa
Application Number:
JP30101990A
Publication Date:
March 22, 1995
Filing Date:
November 08, 1990
Export Citation:
Assignee:
Goyo Construction Co., Ltd.
International Classes:
E21D9/087; E21D9/08; (IPC1-7): E21D9/08
Domestic Patent References:
| JP396596A | ||||
| JP63165395U |
Attorney, Agent or Firm:
Masao Tanaka
Next Patent: セグメント自動搬送装置