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Document Type and Number:
Japanese Patent JPS57198499
Kind Code:
U
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Application Number:
JP8684081U
Publication Date:
December 16, 1982
Filing Date:
June 15, 1981
Export Citation:
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International Classes:
F17C7/00; F16K1/30; F17C5/02; F17C13/04; (IPC1-7): F17C13/04; F17C7/00



 
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