Inventor

MA DELONG

CN2 patents

⚠️ This page may combine multiple inventors who share the name “MA DELONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHINA BUILDING MAT TEST & CERTIFICATION GROUP CO LTD

1 patent

US10222343B2Mar 5, 2019

Method and apparatus for testing residual stress in coatings

CHINA BUILDING MAT TEST & CERTIFICATION GROUP CO LTD1 citations42

PETROCHINA CO LTD

1 patent

US10845495B2Nov 24, 2020

Method and device of identifying fracture

PETROCHINA CO LTD0 citations33