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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH035124
Kind Code:
U
Application Number:
JP6346789U
Publication Date:
January 18, 1991
Filing Date:
May 31, 1989
Export Citation:
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International Classes:
G02C3/00; G02C5/08; G02C5/14; G02C5/22; (IPC1-7): G02C5/14; G02C3/00; G02C5/22