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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5271264
Kind Code:
U
Application Number:
JP15946775U
Publication Date:
May 27, 1977
Filing Date:
November 25, 1975
Export Citation:
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International Classes:
C02F1/02; A61L2/08; (IPC1-7): C02B3/04; A61L3/00