Document Type and Number:
Japanese Patent JPH02144229
Kind Code:
U
More Like This:
Application Number:
JP5145689U
Publication Date:
December 06, 1990
Filing Date:
April 27, 1989
Export Citation:
International Classes:
B21D45/04; (IPC1-7): B21D45/04
Domestic Patent References:
JPS60250838A | 1985-12-11 | |||
JPS6136335B2 | 1986-08-18 |