Title:
【発明の名称】穿孔装置付き溝掘り機
Document Type and Number:
Japanese Patent JP2743084
Kind Code:
B2
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Inventors:
Yasunori Nara
Satomi Nara
Satomi Nara
Application Number:
JP13394489A
Publication Date:
April 22, 1998
Filing Date:
May 27, 1989
Export Citation:
Assignee:
Yasunori Nara
Satomi Nara
Satomi Nara
International Classes:
A01B33/04; A01B33/00; A01B33/06; E02F5/06; E21B7/04; (IPC1-7): A01B33/00; A01B33/04; E02F5/06; E21B7/04
Attorney, Agent or Firm:
Someya Koji