Document Type and Number:
Japanese Patent JPH0238327
Kind Code:
B2
Inventors:
HIDAKA KATSUSHI
UENO SHIZUAKI
UENO SHIZUAKI
Application Number:
JP7387283A
Publication Date:
August 30, 1990
Filing Date:
April 28, 1983
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
B21B15/00; B23D19/06; B23D33/00; B23D35/00; B23Q3/157
Next Patent: JPH0238328