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Ika Zinka Eferl | all galleries >> Galleries >> hi_technology_patents > Our Patent dsc_0794(2pb)
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19-Feb-2012

Our Patent dsc_0794(2pb)

United States Patent Patent Number : 5,532,527

LEVEL SWITCH
Inventors: Franc Eferl
https://sites.google.com/site/izumiteljeferlfranc/home

Nikon D3100
1/60s f/4.5 at 32.0mm iso400 full exif

other sizes: small medium original auto
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MarcViskens06-Sep-2017 19:31
how exiting Ika
Neal Nye28-May-2013 11:11
This is so impressive. Are you an engineer?
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