Title:
【発明の名称】杭打ち機
Document Type and Number:
Japanese Patent JPH0819675
Kind Code:
B2
Inventors:
Nishizaka
Application Number:
JP23375193A
Publication Date:
February 28, 1996
Filing Date:
September 20, 1993
Export Citation:
Assignee:
Kinki Ishico Co., Ltd.
International Classes:
E21B15/00; E02D7/20; (IPC1-7): E02D7/20; E21B15/00
Domestic Patent References:
| JP379343U | ||||
| JP273452U |
Attorney, Agent or Firm:
Fujikawa Tadashi
Next Patent: SEAL OPENER FOR CASSETTE CASE