OSR

OSR stands for:

OEM Service Release
OSR # 1 ( Oxidative Stress Relief ), a chelating agent
Ostrava Airport in the Czech Republic ( IATA code )
Kamillaner, a Catholic men's religious
School inspector, see Board of Education ( Title )
Supreme Medical Council, the medical- scientific body in Austria
On- stack replacement, Proceedings of the hotspot optimization of software
Orchestre de la Suisse Romande, Swiss symphony orchestra
Oversampling ratio, English for " ratio at the sampling rate conversion "
Over ( the) shoulder restraint, English for shoulder strap with rides, especially roller coasters, even OTSR

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