Document Type and Number:
Japanese Patent JPH0464396
Kind Code:
B2
Inventors:
KODAMA KYOSHI
ARAI MASATOSHI
KIMURA TAKAHIRO
ETO HAJIME
HANADA MASANORI
OKAMURA KUNYASU
ARAI MASATOSHI
KIMURA TAKAHIRO
ETO HAJIME
HANADA MASANORI
OKAMURA KUNYASU
Application Number:
JP30925586A
Publication Date:
October 14, 1992
Filing Date:
December 27, 1986
Export Citation:
Assignee:
NIPPON KOKAN KK
KOKEN KOGYO KK
KOKEN KOGYO KK
International Classes:
E21D9/093; E21D9/06
Next Patent: JPH0464397