Document Type and Number:
Japanese Patent JPH03129849
Kind Code:
U
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Application Number:
JP3768890U
Publication Date:
December 26, 1991
Filing Date:
April 10, 1990
Export Citation:
International Classes:
E04B1/70; F24F13/02; F24F13/068; F24F13/08; F24F13/10; (IPC1-7): F24F13/068; E04B1/70; F24F13/02