Document Type and Number:
Japanese Patent JPH0231678
Kind Code:
Y2
Application Number:
JP19133482U
Publication Date:
August 27, 1990
Filing Date:
December 20, 1982
Export Citation:
International Classes:
F16L59/06; F16L7/00; F16L59/12; (IPC1-7): F16L59/06; F16L59/12
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