Document Type and Number:
Japanese Patent JPS4848421
Kind Code:
U
Application Number:
JP6712471U
Publication Date:
June 25, 1973
Filing Date:
July 27, 1971
Export Citation:
International Classes:
E04H1/12; E04B1/68; E04B1/684; E04F19/02; E04F19/06; (IPC1-7): E04F19/06; E04B1/68