Document Type and Number:
Japanese Patent JPS5023132
Kind Code:
U
Application Number:
JP7646773U
Publication Date:
March 15, 1975
Filing Date:
June 26, 1973
Export Citation:
International Classes:
E04F19/02; E04B1/66; E04B1/68; E04B2/56; E04B2/60; E04F19/06; (IPC1-7): E04B1/68