• The retanning and finishing technology of Jining goat skin soft bag leather was studied.

    济宁路山羊包袋复鞣整饰工艺进行了研究。

    youdao

  • The retanning and finishing technology of Jining goat skin soft bag leather was studied.

    济宁路山羊包袋复鞣整饰工艺进行了研究。

    youdao

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