EN 1504-3混凝土修复材料CE认证
for the structural and non-structural repair of concrete structures.
This European Standard covers repair mortars and concretes, possibly used in conjunction with other products and systems, to restore and/or to replace defective concrete and to protect reinforcement, necessary to extend the service life of a concrete structure exhibiting deterioration. The fields of application covered are in accordance with ENV 1504-9.
EN 1504-3 混凝土修复材料CE认证 - 认证流程：
1、确定需要认证的产品类型，提交申
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