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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4895404
Kind Code:
U
Application Number:
JP1920372U
Publication Date:
November 14, 1973
Filing Date:
February 15, 1972
Export Citation:
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International Classes:
E02F3/43; E02F3/28; E02F3/64; (IPC1-7): E02F3/64