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鉆井液用流型調節劑共聚物及其制備方法
inventor/creator:羅緒武 全曉虎 段江
Paten number/application number:ZL 2019 1 1016338.5
application/authorized announcemen date:2021-4-20
brief introduction:圍繞鉆井液用流型調節劑共聚物及其制備方法發明專利
Paten number/application number:ZL 2019 1 1016338.5
application/authorized announcemen date:2021-4-20
brief introduction:圍繞鉆井液用流型調節劑共聚物及其制備方法發明專利