Document Type and Number:
Japanese Patent JPH022147
Kind Code:
Y2
Application Number:
JP19964883U
Publication Date:
January 18, 1990
Filing Date:
December 28, 1983
Export Citation:
International Classes:
F16L17/00; F16L21/08; F16L35/00; F16L37/00; F16L37/22; F16L37/23; (IPC1-7): F16L21/08; F16L17/00; F16L37/22
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