Beijing
China
2
2024-08-15
Peiqing LU from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
OIL-GAS WELL, WELL CEMENTATION METHOD, AND CEMENT COMPOSITION
POLYMER HAVING DISPERSING FUNCTION, OIL WELL CEMENT DISPERSANT, AND PREPARATION METHOD THEREFOR AND USE THEREOF
5847809 ⎘