Document Type and Number:
Japanese Patent JPS4811696
Kind Code:
Y1
Application Number:
JP6290566U
Publication Date:
March 29, 1973
Filing Date:
July 02, 1966
Export Citation:
International Classes:
E04B2/74; E04B2/78; E04C3/32; (IPC1-7): E04B2/78; E04C3/32