The invention discloses a silicate scale clearing agent for a ternary combination flooding extraction well.

本发明公开了一种三元复合驱采出井硅酸盐垢清垢剂。

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The customs clearing for imported materials and equipment should be a link not to be ignored and to entrust a clearing agent with declaration is an international practice.

而进口设备物资清关是一个不容忽视的环节，委托清关公司代理报关是国际工程惯例。

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Any Customs clearing agent and individual engaged in making a declaration to the Customs shall not illegally make Customs declaration on behalf of others or go beyond their approved business scope.

报关企业和报关人员不得非法代理他人报关，或者超出其业务范围进行报关活动。

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Any Customs clearing agent and individual engaged in making a declaration to the Customs shall not illegally make Customs declaration on behalf of others or go beyond their approved business scope.

报关企业和报关人员不得非法代理他人报关，或者超出其业务范围进行报关活动。

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