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LC Xingrong Steel PIpe CO.,LTD.
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About Us
We are leading manufacturer and exporter of steel pipes,we can supply all kinds of seamless steel pipes with best quality at competitive price and with good service.
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Model 721 is single beam visible spectrometer, The wavelength is set manually ...
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The model is a simple single beam spectrophotometer., with accuracy ...
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Model 752 is a single beam uv/vis spectrophotometer. With accuracy of +/-2nm, ...
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1.seamless steel pipe
2.Standard:GB/T8162-1999;
ASTM A106-B ;ASTM ...
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