Patent ES-1917-64380

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Year filed 1917
Year granted 1917
Office ES
Patent number 64380
Inventors Harold Edward Sherwin Holt
Inventor country GB
Inventor location
Applicant person Harold Edward Sherwin Holt
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Mejoras o perfeccionamientos en los faros de aparatos aéreos o aeroplanos
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Tech fields illumination
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Related to aircraft? Yes
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Citations from after 1930
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