Document Type and Number:
Japanese Patent JPS4947997
Kind Code:
A
Application Number:
JP4206373A
Publication Date:
May 09, 1974
Filing Date:
April 13, 1973
Export Citation:
International Classes:
B27B19/09; B23D49/08; B24B7/22; B24B23/04; (IPC1-7): B25F3/00