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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4427590
Kind Code:
Y1
Application Number:
JP1422865U
Publication Date:
November 17, 1969
Filing Date:
February 25, 1965
Export Citation:
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International Classes:
F16L57/00; D06F39/08; (IPC1-7): F16L57/00; D06F39/08



 
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