Title:
【考案の名称】油圧さく岩機の制御装置
Document Type and Number:
Japanese Patent JP2573778
Kind Code:
Y2
Inventors:
Kenzo Togame
Application Number:
JP2114092U
Publication Date:
June 04, 1998
Filing Date:
April 07, 1992
Export Citation:
Assignee:
Furukawa Metal Co., Ltd.
International Classes:
E21B1/26; E21B1/00; E21B19/08; (IPC1-7): E21C3/20
Domestic Patent References:
| JP2292494A | ||||
| JP422585U | ||||
| JP5723078B2 | ||||
| JP5715276B2 | ||||
| JP5721639B2 |
Attorney, Agent or Firm:
Tetsuya Mori (2 others)
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