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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS61171024
Kind Code:
U
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Application Number:
JP5373685U
Publication Date:
October 23, 1986
Filing Date:
April 11, 1985
Export Citation:
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International Classes:
G02C1/06; G02C3/04; (IPC1-7): G02C1/06; G02C3/04