CPC Y10T74/2039

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CPC Y10T74/2039 is a patent class for xyz.^[1]^[2]

References

↑ Y10T74/2039 CPC CPC Y10T74/2039 element at Espacenet web site
↑ Y10T74/2039.html#CPC Y10T74/2039{{{2}}} CPC CPC Y10T74/2039{{{2}}} element listed at USPTO

This wiki has 1 patents in category "CPC Y10T74/2039".

Patents in category CPC Y10T74/2039

Patent US-1916-1277590 (English title: Duplicate controlling means applicable to aeroplanes, Inventors: Bert Hinkler, Supplementary to patent: Patent AU-1916-221516, Filing date: 1916-10-02)

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