• The invention discloses a self-spray protective film dedicated for smoke extractors, which is mainly made from the following raw materials: caseinic acid, water, base, ethanol and glycerol.

    发明公开一种烟机专用自喷保洁主要以下原料制成:乙醇和甘油。

    youdao

  • The invention discloses a self-spray protective film dedicated for smoke extractors, which is mainly made from the following raw materials: caseinic acid, water, base, ethanol and glycerol.

    发明公开一种烟机专用自喷保洁主要以下原料制成:乙醇和甘油。

    youdao

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