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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5749102
Kind Code:
B2
Application Number:
JP5207975A
Publication Date:
October 20, 1982
Filing Date:
May 01, 1975
Export Citation:
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International Classes:
G02C5/00; A44C5/00; C22C19/05; G02C3/00; G04B37/00; G04B37/22