Document Type and Number:
Japanese Patent JPS4919272
Kind Code:
Y1
Application Number:
JP9135870U
Publication Date:
May 23, 1974
Filing Date:
September 14, 1970
Export Citation:
International Classes:
B63H16/02; A47C7/18; B63B5/24; B63B29/04; (IPC1-7): B63H16/02; A47C7/18; B63B5/24