Document Type and Number:
Japanese Patent JPS5348991
Kind Code:
U
Application Number:
JP13202576U
Publication Date:
April 25, 1978
Filing Date:
September 30, 1976
Export Citation:
International Classes:
B21B31/32; F15B11/00; F15B21/04; (IPC1-7): F15B11/00; B21B31/32
Domestic Patent References:
| JPS5020669A | 1975-03-05 | |||
| JPS5128958A | 1976-03-11 |