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Chinese National Standard Category: Engine body and moving parts

English Title: Metallographic standards for ductile cast iron piston ring of automobile and motorcycle engine
Chinese Title: 汽车摩托车发动机球墨铸铁活塞环金相标准
Standard No.: QC/T 284-1999
Category No.: T12
Issued by: 0
Issued on:
Implemented on: 1999-3-15
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:ZB/T T 12007-1989 汽车摩托车发动机球墨铸铁活塞环金相标准
Word Count:4000 words
Similar Standards: QC/T 275-2008   QC/T 553-2008   QC/T 481-2005   QC/T 552-1999   JB 3931-1985   QC/T 279-1999   QC/T 284-1999   QC/T 553-1999   QC/T 554-1999   QC/T 283-1999   QC/T 29086-1992   QC/T 29085-1992   QC/T 29075-1992   QC/T 29031-1991   ZB/T T 12007-1989   ZB T 12004-1987   ZB T 12003-1987   ZB T 12006-1989   ZB T 12001-1987   QC/T 481-1999  
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