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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5757839
Kind Code:
Y2
Application Number:
JP8141579U
Publication Date:
December 11, 1982
Filing Date:
June 14, 1979
Export Citation:
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International Classes:
F16L9/18; C02F3/22; F16L7/00; (IPC1-7): C02F3/22; F16L7/00; F16L9/18



 
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