Document Type and Number:
Japanese Patent JPS5236159
Kind Code:
Y2
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Application Number:
JP15447674U
Publication Date:
August 17, 1977
Filing Date:
December 19, 1974
Export Citation:
International Classes:
F16L9/19; F16L11/12; F16L55/00; G21D1/02; (IPC1-7): G21D1/02; F16L55/00