Document Type and Number:
Japanese Patent JPS4217163
Kind Code:
Y1
Application Number:
JP7405365U
Publication Date:
October 03, 1967
Filing Date:
September 09, 1965
Export Citation:
International Classes:
E01F9/00; E01F9/646; E01F9/65; E01F9/677; E01F15/00; (IPC1-7): E01F15/00