Document Type and Number:
Japanese Patent JPS5510450
Kind Code:
Y2
Application Number:
JP2979975U
Publication Date:
March 07, 1980
Filing Date:
March 04, 1975
Export Citation:
International Classes:
E02D29/02; E02D5/00; E02D19/00; E02D31/00; (IPC1-7): E02D29/02