Document Type and Number:
Japanese Patent JPH0524998
Kind Code:
B2
Inventors:
NOMYAMA KOJI
HAYAIZUMI JUNZO
ISAKA AKIRA
SUZUKI TADASHI
HAYAIZUMI JUNZO
ISAKA AKIRA
SUZUKI TADASHI
Application Number:
JP18800486A
Publication Date:
April 09, 1993
Filing Date:
August 11, 1986
Export Citation:
Assignee:
HITACHI SEISAKUSHO KK
KEMIKOOTO KK
KEMIKOOTO KK
International Classes:
B24B31/00; C21C1/04; C21C1/08; C23G1/08
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