Document Type and Number:
Japanese Patent JPS5239253
Kind Code:
B2
Application Number:
JP11586475A
Publication Date:
October 04, 1977
Filing Date:
September 25, 1975
Export Citation:
International Classes:
E02F3/88; E02F3/94; E02F5/00; F04B15/02; F04B19/12; F04D3/02; F04D7/00