Document Type and Number:
Japanese Patent JPS503974
Kind Code:
Y2
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Application Number:
JP3089672U
Publication Date:
February 01, 1975
Filing Date:
March 16, 1972
Export Citation:
International Classes:
F24F13/14; A62B13/00; E05B53/00; F24F7/00; F24F7/04; (IPC1-7): F24F7/04; F24F7/00
Next Patent: JPS503975