Title:
地盤に埋設された本管に孔を穿つための穿孔方法に用いる案内装置
Document Type and Number:
Japanese Patent JP5400922
Kind Code:
B2
Inventors:
Hiroyuki Ota
Application Number:
JP2012117701A
Publication Date:
January 29, 2014
Filing Date:
May 23, 2012
Export Citation:
Assignee:
Nagano oil machine incorporated company
Hiroyuki Ota
Hiroyuki Ota
International Classes:
B23B41/00; B26F1/16; F16L41/04
Attorney, Agent or Firm:
Hidekazu Miyoshi
Masakazu Ito
Nobuyuki Matsunaga
Masakazu Ito
Nobuyuki Matsunaga