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Blackbody radiation source cavity device for calibrating forehead and ear temperature equipment - utility model patent certificate

Blackbody radiation source cavity device for calibrating forehead and ear temperature equipment - utility model patent certificate

Blackbody radiation source cavity device for calibrating forehead and ear temperature equipment - utility model patent certificate

Blackbody radiation source cavity device for calibrating forehead and ear temperature equipment - utility model patent certificate 2020-12-3 This article was read 2454 Times
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