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W75Cu25 W60Cu40 W80Cu20 Tungsten copper rod bar strip ring roll roller die alloy ,used for transistors sealing welder,contactor materials for highvoltage switches and electrodes for spark processing etc.
W75Cu25 W60Cu40 W80Cu20 Tungsten copper rod bar strip ring roll roller die alloy ,used for transistors sealing welder,contactor materials for highvoltage switches and electrodes for spark processing etc.
W75Cu25 W60Cu40 W80Cu20 Tungsten copper rod bar strip ring roll roller die alloy ,used for transistors sealing welder,contactor materials for highvoltage switches and electrodes for spark processing etc.
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