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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5573914
Kind Code:
U
Application Number:
JP15840778U
Publication Date:
May 21, 1980
Filing Date:
November 16, 1978
Export Citation:
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International Classes:
G02C7/16; G02C9/00; (IPC1-7): G02C7/16; G02C9/00



 
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