The constructing method of a tunnel, and a tunnel

Title:

The constructing method of a tunnel, and a tunnel

Document Type and Number:

Japanese Patent JP6232743

Kind Code:

B2

Inventors:

Shoji Naka
Hideo Kinashi
Takeshi Akiyama

Application Number:

JP2013108981A

Publication Date:

November 22, 2017

Filing Date:

May 23, 2013

Export Citation:

Assignee:

Obayashi Corporation

International Classes:

E21D9/00; E21D9/04

Domestic Patent References:

Attorney, Agent or Firm:

Tetsuro Ikuta
Ryuji Takahashi
Shin Ueno

Previous Patent: A tire / wheel assembly object

Next Patent: PACKET TRANSMITTER-RECEIVER