Title:
GUIDE PIPE SUPORT APPARATUS FOR UNDERWATER BORING
Document Type and Number:
Japanese Patent JPS58131293
Kind Code:
A
Inventors:
TOBE KANEO
SATOU SUSUMU
SATOU SUSUMU
Application Number:
JP1460582A
Publication Date:
August 05, 1983
Filing Date:
February 01, 1982
Export Citation:
Assignee:
CHUO KAIHATSU
International Classes:
E21B7/136; E21B7/12; (IPC1-7): E21B7/12
Attorney, Agent or Firm:
Yujiro Taka