Document Type and Number:
Japanese Patent JPS6434146
Kind Code:
U
Application Number:
JP12975387U
Publication Date:
March 02, 1989
Filing Date:
August 25, 1987
Export Citation:
International Classes:
B24B7/08; B24B27/02; (IPC1-7): B24B7/08
Foreign References:
| US4030250A | 1977-06-21 |