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NEM MATERIALS CO.,LTD??? ?? ??? ?????.
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NEM MATERIALS CO.,LTD
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-+86-393-6101536;
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chaijingli@nem.com.cn
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China
URL:
http://m.is0513.com/ShowSupplierProductsList434649/0.htm
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4
1
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N-methyl pyrrolidone
N-??-2-?????
872-50-4
C5H9NO
N-butyl pyrrolidone
1-??????-2-?
3470-98-2
C8H15NO
N-ethyl pyrrolidone
N- ?? -2- ? ?? ?
2687-91-4
C6H11NO
delta-valerolactone
542-28-9
C5H8O2
1
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