Document Type and Number:
Japanese Patent JPS5612645
Kind Code:
B2
Application Number:
JP8093575A
Publication Date:
March 24, 1981
Filing Date:
July 02, 1975
Export Citation:
International Classes:
E01D15/14; B63B5/14; E01D1/00; E02D23/00; E02D23/02; E01D101/24; E01D101/26; E01D101/28