Document Type and Number:
Japanese Patent JPS4940386
Kind Code:
U
Application Number:
JP8272772U
Publication Date:
April 09, 1974
Filing Date:
July 12, 1972
Export Citation:
International Classes:
F21S2/00; B63B22/16; B63B51/02; (IPC1-7): F21Q3/00; B63B51/02