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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5244884
Kind Code:
Y2
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Application Number:
JP9526771U
Publication Date:
October 13, 1977
Filing Date:
October 15, 1971
Export Citation:
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International Classes:
F16L11/02; B63J2/02; F16L9/16; F16L59/00; F16L59/06; F16L59/14; F24F13/02; (IPC1-7): F16L11/02; F16L59/00