Title:
【考案の名称】杭打機用圧入装置
Document Type and Number:
Japanese Patent JPH0738455
Kind Code:
Y2
Inventors:
Wataru Masuyama
Application Number:
JP7399889U
Publication Date:
September 06, 1995
Filing Date:
June 22, 1989
Export Citation:
Assignee:
Wataru Masuyama
International Classes:
E21B15/00; E02D7/14; E02D7/20; E21B3/02; E21B3/025; E21B7/00; (IPC1-7): E21B3/02; E02D7/14; E21B7/00; E21B15/00
Domestic Patent References:
| JP569581A | ||||
| JP58111280U |
Attorney, Agent or Firm:
Shigeo Iwakoshi (1 outside)
Next Patent: MICROWAVE MIXER CIRCUIT