Document Type and Number:
Japanese Patent JPH0313926
Kind Code:
B2
Inventors:
YOSHIDA HIROAKI
ARIMA HIROTADA
ARIMA HIROTADA
Application Number:
JP24960183A
Publication Date:
February 25, 1991
Filing Date:
December 23, 1983
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
B21D28/10; B21D28/12; B21D28/36; B21D31/02; B21D31/04; B21D35/00
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