Document Type and Number:
Japanese Patent JPS4915419
Kind Code:
Y1
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Application Number:
JP9349168U
Publication Date:
April 17, 1974
Filing Date:
October 23, 1968
Export Citation:
International Classes:
F24H1/18; D06F39/02; D06F39/04; (IPC1-7): D06F39/04; F24H1/18