Document Type and Number:
Japanese Patent JPS5283526
Kind Code:
U
Application Number:
JP17216175U
Publication Date:
June 22, 1977
Filing Date:
December 19, 1975
Export Citation:
International Classes:
E04B1/82; E01B19/00; E01F8/00; E04C1/00; (IPC1-7): E04C1/00; E01B19/00; E04B1/82