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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5045899
Kind Code:
U
Application Number:
JP4860773U
Publication Date:
May 08, 1975
Filing Date:
April 23, 1973
Export Citation:
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International Classes:
G02C1/00; A63B33/00; (IPC1-7): A63B33/00; G02C1/00



 
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