联系电话 0755 - 2532 7077
28.43 胶态贵金属;贵金属的无机或有机化合物,不论是否已有化学定义;贵金属汞齐:
28.43 Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals:


    对不起,本内容只有收费会员才能阅读!请先登录会员

    如果您还没注册,请赶紧点此注册会员,然后再付费升级为数据库会员即可!

查看收费标准