Document Type and Number:
Japanese Patent JPS6456214
Kind Code:
U
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Application Number:
JP15139787U
Publication Date:
April 07, 1989
Filing Date:
October 02, 1987
Export Citation:
International Classes:
A61C17/00; A61C17/14; A61C19/00; (IPC1-7): A61C17/00
Domestic Patent References:
| JPS6182744A | 1986-04-26 | |||
| JPS59177418U | 1984-11-27 |