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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6341469
Kind Code:
Y2
Application Number:
JP1628783U
Publication Date:
October 31, 1988
Filing Date:
February 07, 1983
Export Citation:
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International Classes:
E04F13/12; E04F13/08; E04F13/21; (IPC1-7): E04F13/08; E04F13/12