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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0311299
Kind Code:
Y2
Application Number:
JP19881285U
Publication Date:
March 19, 1991
Filing Date:
December 24, 1985
Export Citation:
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International Classes:
E04G5/06; E04G13/02; E04G13/06; E04G17/16; (IPC1-7): E04G5/06; E04G13/02