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The national standardization technical committee of seven rolling bearing four meetings held in nanning

2018-11-20
Four times the national standardization technical committee rolling bearing seven-time meeting on November 12 ~ 15, 2018 held in nanning city in guangxi province. The meeting reviewed the rolling bearing no inner circle drawn cup Needle Roller bearing dimension, geometrical product specification (GPS) and tolerance values such as six national standard and the rolling bearing carburizing bearing steel parts heat treatment technical conditions "and so on seven industry standards. The members, experts observers and standard writing staff more than 70 standards for the full discussion, puts forward opinions and Suggestions on the terms of the standards.
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