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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5641116
Kind Code:
U
Application Number:
JP12353779U
Publication Date:
April 16, 1981
Filing Date:
September 08, 1979
Export Citation:
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International Classes:
F01N13/00; F01N13/08; F01N99/00; F02B69/00; F02P15/00; H04B15/02; (IPC1-7): F01N7/08; F02B69/00
Domestic Patent References:
JPS51129916U
JPS5341403A
JPS4728372A