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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS62102187
Kind Code:
U
Application Number:
JP19399185U
Publication Date:
June 29, 1987
Filing Date:
December 17, 1985
Export Citation:
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International Classes:
G01B7/00; E21D9/06; G01V3/08; G01V7/06; (IPC1-7): G01V3/08; E21D9/06; G01B7/00; G01V7/06