Document Type and Number:
Japanese Patent JPH0498914
Kind Code:
U
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Application Number:
JP5334591U
Publication Date:
August 26, 1992
Filing Date:
February 04, 1991
Export Citation:
International Classes:
E01C3/00; E04B5/00; (IPC1-7): E04B5/00; E04C1/24; E01C3/00
Next Patent: CONCATENATION MULTIPLEXER/DEMULTIPLEXER