Document Type and Number:
Japanese Patent JPH03116210
Kind Code:
U
More Like This:
Application Number:
JP2211690U
Publication Date:
December 02, 1991
Filing Date:
March 07, 1990
Export Citation:
International Classes:
B21D5/04; (IPC1-7): B21D5/04
Domestic Patent References:
JPS6423615U | 1989-02-08 | |||
JPS529551A | 1977-01-25 | |||
JPS60146538U | 1985-09-28 | |||
JPS6036918U | 1985-03-14 |
Foreign References:
US3786666A | 1974-01-22 |