求翻译：技术推广服务；基础软件服务；销售：医疗器械一类、Ⅱ类、Ⅲ类（Ⅱ类、Ⅲ类凭许可证经营，有效期至2016年12月19日)、化工产品（不含危险品）。（以上经营范围不含国家法律、法规和国务院决定禁止和限制的项目，涉及许可的按许可证内容及时效经营，后置许可项目凭许可证或审批文件经营)。是什么意思？

Technical extension services; infrastructure software services; Sales: medical devices, Class II, Class III (II categories, Ⅲ class operating permit, valid until December 19, 2016), chemical products (excluding dangerous goods). (Excluding the above scope of business to national laws, regulations an

Technology extension service; based software services; sales: Medical Equipment category, II III class, class (II III class by class, license management, and is valid until December 19, 2016), chemical products (not including dangerous goods). (the above scope of business does not include state laws

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Technology extension and service infrastructure software services sales: medical devices category, class ⅱ, ⅲ class (class with class ⅱ, ⅲ license business, valid until December 19, 2016), chemical products (excluding dangerous goods). (The above business scope without the national laws, regulations

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