Document Type and Number:
Japanese Patent JPH0111939
Kind Code:
Y2
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Application Number:
JP5070983U
Publication Date:
April 07, 1989
Filing Date:
April 04, 1983
Export Citation:
International Classes:
F01N13/08; F16L23/02; F16L37/00; F16L39/00; (IPC1-7): F01N7/08; F16L23/02