Document Type and Number:
Japanese Patent JPS57153461
Kind Code:
U
Application Number:
JP3938581U
Publication Date:
September 27, 1982
Filing Date:
March 20, 1981
Export Citation:
International Classes:
B24B23/02; B24D9/04; B25F3/00; B25F5/00; (IPC1-7): B24D9/04; B24B23/02; B25F3/00