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1. Different kinds of test optotype 2.Gray contrast charts 3.Color blindness test 4.White-black Invert 5.CEF-type visual acuity
2017-01-13 20:23 Views:197
Price:Negotiable
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Company name:Beijing Dakang Instrument Co., Ltd.
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Business contact:Woo(Mr.)
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Area: Caribbean Region-Bermuda
Address:Beijing, China
Status:[Offline] [Send message] [Chat]
Business contact:Woo(Mr.)
Telphone:
Fax:
Area: Caribbean Region-Bermuda
Address:Beijing, China