Document Type and Number:
Japanese Patent JPS4941823
Kind Code:
U
Application Number:
JP8250872U
Publication Date:
April 12, 1974
Filing Date:
July 14, 1972
Export Citation:
International Classes:
F17C13/02; E04G1/36; F17B1/00; (IPC1-7): E04G1/36; F17B1/00