Title:
【発明の名称】放電加工装置
Document Type and Number:
Japanese Patent JP2892028
Kind Code:
B2
Inventors:
KISHI MASAKAZU
ARAYA SHIZUO
ARAYA SHIZUO
Application Number:
JP3821389A
Publication Date:
May 17, 1999
Filing Date:
February 20, 1989
Export Citation:
Assignee:
HITACHI SEIKO KK
International Classes:
B23H7/28; B23H7/06; B23H7/20; (IPC1-7): B23H7/06; B23H7/20
Domestic Patent References:
| JP61103736A | ||||
| JP6399135A | ||||
| JP515693A |