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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57769
Kind Code:
U
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Application Number:
JP7725180U
Publication Date:
January 05, 1982
Filing Date:
June 02, 1980
Export Citation:
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International Classes:
G01L21/00; G09B23/12; (IPC1-7): G09B23/12; G01L21/00