SEARCH RESULTS for assignee:"PETROCHINA COMPANY LIMITED"

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(X0) 15941712: Nano-Silica Dispersion Having Amphiphilic Properties And A Double-Particle Structure And Its Production Method

(A1) 20190046939: Nano-Silica Dispersion Having Amphiphilic Properties And A Double-Particle Structure And Its Production Method

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(X0) 16161894: Olefin Coordination Polymerization Catalyst, And Preparation Method And Application Thereof

(A1) 20190048106: Olefin Coordination Polymerization Catalyst, And Preparation Method And Application Thereof

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(X0) 16016710: MONITORING SYSTEM FOR DEFORMATIONS AND DESTRUCTIONS OF GAS STORAGE

(A1) 20180372892: MONITORING SYSTEM FOR DEFORMATIONS AND DESTRUCTIONS OF GAS STORAGE

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(X0) 16016749: Acoustic sensor for rock crack detection

(A1) 20180372894: Acoustic sensor for rock crack detection