Title:
RECALL BUOY DEVICE FOR SUBMARINE FACILITY
Document Type and Number:
Japanese Patent JPS5921885
Kind Code:
A
Inventors:
NAKAMURA SADAAKI
Application Number:
JP12897382A
Publication Date:
February 03, 1984
Filing Date:
July 26, 1982
Export Citation:
Assignee:
MITSUI SHIPBUILDING ENG
International Classes:
E21B43/013; E21B43/01; (IPC1-7): E21B43/01
Attorney, Agent or Firm:
Shinichi Ogawa