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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5087609
Kind Code:
U
Application Number:
JP14271473U
Publication Date:
July 25, 1975
Filing Date:
December 17, 1973
Export Citation:
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International Classes:
E01B25/10; E01B25/08; E04D13/064; (IPC1-7): E01B25/08; E04D13/06