Document Type and Number:
Japanese Patent JPS5331601
Kind Code:
Y2
Application Number:
JP14664373U
Publication Date:
August 07, 1978
Filing Date:
December 19, 1973
Export Citation:
International Classes:
E02F3/40; E02F3/28; E02F3/30; E02F3/32; (IPC1-7): E02F3/30