• The present invention relates to a kind of rust-removing agent which is preparedby taking inorganic salt as base material and adding various additives.

    发明研制出无污染可再生钢铁除锈剂,这种除锈剂是以无机盐基本物质加入各种添加剂配制而成。

    youdao

  • The present invention relates to a kind of rust-removing agent which is preparedby taking inorganic salt as base material and adding various additives.

    发明研制出无污染可再生钢铁除锈剂,这种除锈剂是以无机盐基本物质加入各种添加剂配制而成。

    youdao

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