Document Type and Number:
Japanese Patent JPH02121998
Kind Code:
U
Application Number:
JP3065489U
Publication Date:
October 04, 1990
Filing Date:
March 17, 1989
Export Citation:
International Classes:
B44C3/00; (IPC1-7): B44C3/00
Domestic Patent References:
| JP60168895B | ||||
| JPS4327481Y1 | 1968-11-13 |
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