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1INTRODUCTIONTungstenheavyaloysaredualphasecompositesproducedbyliquidphasesinteringofamixtureof80%~97%tungstenandasmalamount...
1INTRODUCTIONTungstenheavyaloysaredualphasecompositesproducedbyliquidphasesinteringofamixtureof80% ~ 97% tungstenandasmalamount ...