This invention refers to public telephone, data exchanging network system engineering tech.
本发明属于公用电话、数据交换网系统工程技术。
Nanjing LOOK engineering tech co., Ltd is the high science and technology corporation that is the earliest research trenchless technology.
南京路可工程技术有限公司是国内较早从事非开挖技术研究开发的高科技企业。
Nanjing LOOK engineering tech co., Ltd is the high science and technology corporation that is the earliest research trenchless technology.
南京路可工程技术有限公司是国内较早从事非开挖技术研究开发的高科技企业。
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