Document Type and Number:
Japanese Patent JPS55150853
Kind Code:
U
Application Number:
JP5196579U
Publication Date:
October 30, 1980
Filing Date:
April 17, 1979
Export Citation:
International Classes:
E02B17/00; B63B21/00; B63B35/44; E02D23/00; E02D23/02; (IPC1-7): E02D23/00; B63B21/00; B63B35/44; E02D21/00