Inventor · disambiguated record

Changshun Zheng

Also filed as: ZHENG CHANGSHUN

1 granted patent·1 citations·filing 2011–2011

16Inventor score

Technology areasC22C

Files withNINGBO XINGAODA ADVANCED METALLIC MATERIALS CO LTD1

Top patents by PatentIndex Score

1 record

0163US8366841B2Lead-free free-cutting corrosion-resistant silicon-bismuth brass alloyNINGBO XINGAODA ADVANCED METALLIC MATERIALS CO LTD·Filed 2011·Granted Feb 5, 2013·1 cites·12 claims

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