Document Type and Number:
Japanese Patent JPH0134693
Kind Code:
B2
Inventors:
HAMAI HIROSHI
YOSHII YOSHINORI
OOMAE HARUKI
YOSHII YOSHINORI
OOMAE HARUKI
Application Number:
JP13568380A
Publication Date:
July 20, 1989
Filing Date:
September 27, 1980
Export Citation:
Assignee:
NISSHIN STEEL CO LTD
International Classes:
B21D31/04; B21D31/00; B21D53/00; B21D53/36; C22B9/00; F27B3/22
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