Shenyang
China
2
2022-01-27
The entities that hold a legal rights for patent applications filed by inventor ZHOU Cheng:
Cheng ZHOU from Shenyang, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
785 MPa LEVEL EXTRA-THICK QUENCHED AND TEMPERED RACK STEEL PLATE FOR OFFSHORE PLATFORMS AND PREPARATION METHOD THEREFOR
#2 | 2022-01-06Low-yield-ratio ultra-high-strength high-toughness steel for pressure hulls and preparation method therefor
5289446 ⎘