Document Type and Number:
Japanese Patent JPS5414411
Kind Code:
U
Application Number:
JP8621177U
Publication Date:
January 30, 1979
Filing Date:
July 01, 1977
Export Citation:
International Classes:
F04B39/00; F04B45/04; F04B45/047; (IPC1-7): F04B45/04; F04B39/00
Domestic Patent References:
| JPS457812Y1 | 1970-04-14 | |||
| JPS51128012A | 1976-11-08 |