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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0224810
Kind Code:
Y2
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Application Number:
JP19603583U
Publication Date:
July 09, 1990
Filing Date:
December 20, 1983
Export Citation:
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International Classes:
E02D27/00; E04B1/38; E04B1/41; E04B1/58; (IPC1-7): E04B1/38; E04B1/40