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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS569709
Kind Code:
Y2
Application Number:
JP15973776U
Publication Date:
March 04, 1981
Filing Date:
December 01, 1976
Export Citation:
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International Classes:
E02D5/08; E02D3/12; E02D19/06; E02D29/02; (IPC1-7): E02D5/08