Document Type and Number:
Japanese Patent JPS5546431
Kind Code:
Y2
Application Number:
JP8126279U
Publication Date:
October 30, 1980
Filing Date:
June 14, 1979
Export Citation:
International Classes:
B24B31/067; B24B31/06; B24B31/12; B24B31/16; (IPC1-7): B24B31/06