Title:
【発明の名称】溝掘削工法および溝掘削用土止め装置
Document Type and Number:
Japanese Patent JPS5840607
Kind Code:
B2
Inventors:
MYAJIMA MASAMI
Application Number:
JP8923178A
Publication Date:
September 07, 1983
Filing Date:
July 21, 1978
Export Citation:
Assignee:
NIPPON KURINGUSU KK
International Classes:
E02F5/02; E02D17/04; E02D17/08; (IPC1-7): E02D17/08
Attorney, Agent or Firm:
Kiyoshi Inomata