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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH01170442
Kind Code:
U
Application Number:
JP6840788U
Publication Date:
December 01, 1989
Filing Date:
May 24, 1988
Export Citation:
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International Classes:
B02B7/00; (IPC1-7): B02B7/00
Domestic Patent References:
JPS62170142U1987-10-28
JPS6323782A1988-02-01