Document Type and Number:
Japanese Patent JPS5237739
Kind Code:
Y2
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Application Number:
JP295773U
Publication Date:
August 27, 1977
Filing Date:
December 29, 1972
Export Citation:
International Classes:
F16J15/10; F16J15/06; F17C1/00; F17C13/06; (IPC1-7): F16J15/06; F17C13/06