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silicon nitride (5)CAS RN:12033-60-2
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Pred Materials International, Inc.Telephone:+1-212-286-0068
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San Jose Delta Ceramic GroupTelephone:408/727-1448
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CERCOM INC.Telephone:760- 727-6200
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Ceradyne,Inc.Telephone:714-549-0421
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Atlantic Equipment Engineers, a division of Micron Metals Inc.Telephone:1 800 486-2436