Title:
【考案の名称】角錐状金属チツプの製造装置
Document Type and Number:
Japanese Patent JPH04114524
Kind Code:
U
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Inventors:
Hisaki Hirota
Makino Hiroshi
Makino Hiroshi
Application Number:
JP1681691U
Publication Date:
October 08, 1992
Filing Date:
March 20, 1991
Export Citation:
International Classes:
B22D23/00; B22D25/02; B22F9/10; (IPC1-7): B22F9/10; B22D23/00; B22D25/02
Domestic Patent References:
| JPS6416881A | 1989-01-20 | |||
| JPS5939224A | 1984-03-03 |