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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5457709
Kind Code:
U
Application Number:
JP13168877U
Publication Date:
April 21, 1979
Filing Date:
September 30, 1977
Export Citation:
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International Classes:
E02D17/08; E02B9/06; E02D5/00; E02F5/10; F16L1/038; (IPC1-7): E02D29/10; E02D5/00
Foreign References:
DE2323321A11974-11-21