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Certificação

Classificação: Certificação Hora de lançamento: 15/06/2022 Pageviews：5761

Tag: Telefone de emergência do túnel IP, Sistema de telefonia IP para beira de estrada, GSM Elevator Emergency Telephone

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Tag: Telefones de emergência de túnel utilitário / Sistema de telefonia IP PBX/ Comutador de rede de fibra/ Gateway de voz SIP/ Sistema Telefônico Rodoviário/ Telefone à prova de explosão/ Telefone de Emergência SOS/ Sistema Telefônico Escolar / Scenic Spot/Sistema de Telefone do Parque

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Endereço: No. 686, Longfei Avenue, Longcheng Street, Longgang District, Shenzhen City, Província de Guangdong

E-mail: telphonesystem@hotmail.com

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