Company news One sixth. Development of Polyurethane Foam One sixth. Development of Polyurethane FoamPolyurethane foam was first successfully developed in Germany in 1947. The first production into the industry was rigi… Company news 399 2019-12-30 上一页1... 754755756757758759760761...927下一页
One sixth. Development of Polyurethane Foam One sixth. Development of Polyurethane FoamPolyurethane foam was first successfully developed in Germany in 1947. The first production into the industry was rigi… Company news 399 2019-12-30