Document Type and Number:
Japanese Patent JPH0256990
Kind Code:
B2
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Inventors:
MATSUMOTO SHIGETO
NARIMOTO ASAO
KOBAYASHI KUNIHIKO
SATO JUJI
NARIMOTO ASAO
KOBAYASHI KUNIHIKO
SATO JUJI
Application Number:
JP10139382A
Publication Date:
December 03, 1990
Filing Date:
June 15, 1982
Export Citation:
Assignee:
KAWASAKI STEEL CO
International Classes:
B23K33/00; B23K9/028
Next Patent: JPH0256991