硫酸钡防辐射砂浆屏蔽X射线、γ射线等辐射适用于医疗和核工业

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Billcon construction materials ltd., nanning city

Address:Mopo, angi street, nangi tong district, nanning autonomous region, guangxi
Tel:15994338166

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15994338166

硫酸钡防辐射砂浆 屏蔽X射线、γ射线等辐射 适用于医疗和核工业