Graphite mould
Release time：2016-09-22Hits：58
Graphite product quality standards (two) 2) amorphous graphite national standard (GB3519-83) (a) product name amorphous graphite that is hidden graphite, also known as soil graphite.
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0532-81875882Graphite product quality standards (two) 2) amorphous graphite national standard (GB3519-83) (a) product name amorphous graphite that is hidden graphite, also known as soil graphite.
