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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH02142695
Kind Code:
U
Application Number:
JP4535590U
Publication Date:
December 04, 1990
Filing Date:
April 27, 1990
Export Citation:
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International Classes:
C02F1/46; (IPC1-7): C02F1/46
Domestic Patent References:
JPS59189988A1984-10-27
JPS6027519U1985-02-25
JP55141596B



 
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