Title:
【考案の名称】風呂釜用熱交換器の構造
Document Type and Number:
Japanese Patent JPS5825943
Kind Code:
U
Inventors:
Takao Nakahata
Application Number:
JP12083381U
Publication Date:
February 18, 1983
Filing Date:
August 13, 1981
Export Citation:
International Classes:
F24H1/00; F24H1/18; F28F1/32; (IPC1-7): F24H1/18; F28F1/32
Domestic Patent References:
| JPS4417435Y1 | 1969-07-28 |