Title:
【発明の名称】穿孔・圧延用芯金
Document Type and Number:
Japanese Patent JPS5947606
Kind Code:
B2
Inventors:
KAMEMURA YOSHIKI
TAMURA MANABU
HANDA MASAO
TAMURA MANABU
HANDA MASAO
Application Number:
JP10772580A
Publication Date:
November 20, 1984
Filing Date:
August 07, 1980
Export Citation:
Assignee:
NIPPON KOKAN KK
International Classes:
B21B25/00; C22C38/00; C22C38/40; (IPC1-7): B21B25/00
Attorney, Agent or Firm:
Ichiichi Shirakawa