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Test method and the test for authenticity checking of authenticity marks
Test method and the test for authenticity checking of authenticity marks
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机译:真伪标记真伪检验的测试方法及测试
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摘要
The unit is used 1 to control a pair of transmitters 2 that provide narrowband signals a1,a2 that have wavelength differences. The signals are directed at the surface containing the security marking 3 and the signal reflected from the surface is transmitted b to a detector 4. This connects with a processor that identifies the signal.
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