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Document Type and Number:
Japanese Patent JPS5492420
Kind Code:
U
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Application Number:
JP16696177U
Publication Date:
June 30, 1979
Filing Date:
December 14, 1977
Export Citation:
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International Classes:
F16L11/11; F16L9/18; F16L37/00; F16L39/00; (IPC1-7): F16L39/00; F16L9/18
Domestic Patent References:
JPS4730011B1



 
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