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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH02107619
Kind Code:
U
Application Number:
JP1638189U
Publication Date:
August 27, 1990
Filing Date:
February 16, 1989
Export Citation:
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International Classes:
E04B5/32; E04B5/43; (IPC1-7): E04B5/32; E04B5/43