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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0537766
Kind Code:
Y2
Application Number:
JP2328187U
Publication Date:
September 24, 1993
Filing Date:
February 19, 1987
Export Citation:
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International Classes:
A44B11/00; A61F9/02; A63B33/00; G02C5/14; (IPC1-7): A44B11/00; A63B33/00; G02C5/14