Document Type and Number:
Japanese Patent JPS55140556
Kind Code:
U
Application Number:
JP3862179U
Publication Date:
October 07, 1980
Filing Date:
March 23, 1979
Export Citation:
International Classes:
E02F3/34; E02F3/43; E02F3/84; (IPC1-7): E02F3/84; E02F3/70