Document Type and Number:
Japanese Patent JPS57150682
Kind Code:
U
Application Number:
JP4016181U
Publication Date:
September 21, 1982
Filing Date:
March 18, 1981
Export Citation:
International Classes:
F16L27/12; F16L21/04; F16L27/10; (IPC1-7): F16L21/04; F16L27/10
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