Inventor · disambiguated record

Cunyao Zhao

Also filed as: ZHAO CUNYAO

1 granted patent·0 citations·filing 2017–2017

11Inventor score

Technology areasC21D

Files withBAOSHAN IRON & STEEL1

Top patents by PatentIndex Score

1 record

0162US11459643B2High-strength and high-toughness perforating gun tube and manufacturing method thereforBAOSHAN IRON & STEEL·Filed 2017·Granted Oct 4, 2022·0 cites·12 claims

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