Title:
【考案の名称】基礎杭打設用の穿孔機
Document Type and Number:
Japanese Patent JPH057783
Kind Code:
U
Inventors:
Kazuo Kobayashi
Application Number:
JP6336391U
Publication Date:
February 02, 1993
Filing Date:
July 17, 1991
Export Citation:
Assignee:
Sumitomo Construction Machinery Co., Ltd.
International Classes:
E02F3/36; E02D7/16; E21B7/00; E21B15/00; (IPC1-7): E21B15/00; E02D7/16; E02F3/36; E21B7/00
Domestic Patent References:
| JPS62248791A | 1987-10-29 |
Attorney, Agent or Firm:
Isamu Ohashi (1 outside)
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