P

Inventor

XU HAIHUA

SG3 patents
⚠️ This page may combine multiple inventors who share the name “XU HAIHUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZHEJIANG ROOMEYE ENERGY SAVING TECH CO LTD

2 patents

KEPPEL OFFSHORE & MARINE TECH CT PTE LTD

1 patent