induction melting cowry shells by graphite crucible (7)

Date：2017/12/12

induction melting cowry shells by graphite crucible (6)

Date：2017/12/12

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Date：2017/12/12

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Date：2017/12/12

induction melting cowry shells by graphite crucible (3)

Date：2017/12/12

induction melting cowry shells by graphite crucible (2)

Date：2017/12/12

induction melting cowry shells by graphite crucible (1)

Date：2017/12/12

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Date：2016/11/11

induction graphite crucible

Date：2016/11/11

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Date：2016/11/11