Document Type and Number:
Japanese Patent JPH056501
Kind Code:
B2
Inventors:
HOSHI KATSUMASA
Application Number:
JP7516784A
Publication Date:
January 26, 1993
Filing Date:
April 16, 1984
Export Citation:
Assignee:
SHOWA DENKO KK
International Classes:
B21D41/04; B29C53/00; B29C57/00; B29C67/00; B29L23/00