Document Type and Number:
Japanese Patent JPH02133559
Kind Code:
U
Application Number:
JP4174689U
Publication Date:
November 06, 1990
Filing Date:
April 10, 1989
Export Citation:
International Classes:
F28F25/10; F28C1/04; (IPC1-7): F28C1/04; F28F25/10
Domestic Patent References:
| JPS52103047A | 1977-08-29 |