Document Type and Number:
Japanese Patent JPS4997523
Kind Code:
U
Application Number:
JP14159972U
Publication Date:
August 22, 1974
Filing Date:
December 09, 1972
Export Citation:
International Classes:
E04F15/00; E02D27/00; E02D27/01; E04F15/024; (IPC1-7): E04F15/024; E02D27/01