Document Type and Number:
Japanese Patent JPH02100717
Kind Code:
U
Application Number:
JP919489U
Publication Date:
August 10, 1990
Filing Date:
January 27, 1989
Export Citation:
International Classes:
B23B51/05; B23B51/08; B28D1/14; (IPC1-7): B23B51/05; B28D1/14
Domestic Patent References:
| JPS4865590A | 1973-09-10 |