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Tianjin Dongkang Technology Co., Ltd.??? ?? ??? ?????.
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Tianjin Dongkang Technology Co., Ltd.
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022-58397378
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2577411094@qq.com
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CHINA
URL:
www.dongkangkeji.com.cn
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12
1
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Nitrogen blower
Vacuum pump
Solid phase extraction instrument
Ultrasonic cleaning machine
Needle filter
Microvoid filter film
Solvent filter
Nitrogen Blowing Apparatus
PE hollow cathode lamp N3050105 Arsenic (AS)
Nitrogen blower
Original American PE graphite tube
Column thermostat
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