Document Type and Number:
Japanese Patent JPS52143797
Kind Code:
U
Application Number:
JP5235276U
Publication Date:
October 31, 1977
Filing Date:
April 26, 1976
Export Citation:
International Classes:
B24B3/36; B24B3/00; B24B41/04; (IPC1-7): B24B3/00; B24B41/04