Document Type and Number:
Japanese Patent JPS49147662
Kind Code:
U
Application Number:
JP4486873U
Publication Date:
December 20, 1974
Filing Date:
April 14, 1973
Export Citation:
International Classes:
F25B39/04; F28D3/02; F28D5/00; (IPC1-7): F25B39/04; F28D3/02
Domestic Patent References:
| JPS4524128Y1 | 1970-09-22 |
Foreign References:
| US3435631A | 1969-04-01 |