Title:
【考案の名称】空気予熱器
Document Type and Number:
Japanese Patent JPH04129665
Kind Code:
U
Inventors:
Ikuya Kawabuchi
Application Number:
JP4477691U
Publication Date:
November 27, 1992
Filing Date:
May 20, 1991
Export Citation:
International Classes:
F28D17/02; F28D19/04; (IPC1-7): F28D19/04; F28D17/02
Domestic Patent References:
| JP54055552B |
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