Document Type and Number:
Japanese Patent JPS5072852
Kind Code:
U
Application Number:
JP12904873U
Publication Date:
June 26, 1975
Filing Date:
November 09, 1973
Export Citation:
International Classes:
E04B1/41; E21D20/00; E21D21/00; F16B35/04; (IPC1-7): F16B35/04