Document Type and Number:
Japanese Patent JPH03117509
Kind Code:
U
More Like This:
Application Number:
JP2497690U
Publication Date:
December 04, 1991
Filing Date:
March 14, 1990
Export Citation:
International Classes:
B23B31/16; (IPC1-7): B23B31/16
Domestic Patent References:
JPS4713837A | ||||
JPS63237834A | 1988-10-04 |