Title:
【発明の名称】ロックリング及びその製造方法
Document Type and Number:
Japanese Patent JP2920146
Kind Code:
B1
Inventors:
HAYASHI NOBUHIKO
NAKAMURA KOICHI
NAKAMURA KOICHI
Application Number:
JP20958098A
Publication Date:
July 19, 1999
Filing Date:
July 24, 1998
Export Citation:
Assignee:
ONDA SEISAKUSHO KK
International Classes:
F16L19/08; F16L21/06; F16L21/08; F16L47/04; (IPC1-7): F16L47/04; F16L19/08; F16L21/06; F16L21/08
Domestic Patent References:
| JP2271193A |
Attorney, Agent or Firm:
Hironobu Onda