Title:
【発明の名称】強化コルゲ-ト体の製法及びその装置
Document Type and Number:
Japanese Patent JP2568088
Kind Code:
B2
Inventors:
ICHIKAWA HIROO
Application Number:
JP15450587A
Publication Date:
December 25, 1996
Filing Date:
June 23, 1987
Export Citation:
Assignee:
ICHIKAWA HIROO
International Classes:
B21D13/04; B21D13/10; (IPC1-7): B21D13/10; B21D13/04
Domestic Patent References:
| JP6061121A | ||||
| JP57501913A | ||||
| JP57209725A |