Document Type and Number:
Japanese Patent JPS5690646
Kind Code:
U
Application Number:
JP17302179U
Publication Date:
July 20, 1981
Filing Date:
December 13, 1979
Export Citation:
International Classes:
F24H9/00; (IPC1-7): F24H9/00
Domestic Patent References:
| JPS4319758Y1 | 1968-08-17 | |||
| JPS53156744U | 1978-12-08 |