Title:
【考案の名称】スパイラル式熱交換器
Document Type and Number:
Japanese Patent JPS59124873
Kind Code:
U
Inventors:
Keizo Hashimoto
Application Number:
JP1931983U
Publication Date:
August 22, 1984
Filing Date:
February 12, 1983
Export Citation:
International Classes:
F28D9/04; (IPC1-7): F28D9/04