Document Type and Number:
Japanese Patent JPH01132247
Kind Code:
U
Application Number:
JP2800288U
Publication Date:
September 07, 1989
Filing Date:
March 02, 1988
Export Citation:
International Classes:
B02C17/16; A45C9/00; B02C17/18; (IPC1-7): B02C17/16; B02C17/18
Domestic Patent References:
| JPS5653755A | 1981-05-13 |