PT United Tractors Tbk, together with its subsidiaries, provides coal mining services in Indonesia. It operates in five segments: Construction Machinery, Mining Contracting, Coal Mining, Gold and ...

I bought a new X750 in May 2025 after having the same exact model for 6 years and no problems with the 2019 X750. This new tractor has been in the shop at a minimum of 5 weeks and am told the John ...

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Abstract: Due to spectrum resource scarcity and the rapid growth of various IMT-2020 wireless services, The 3 GHz is a potential candidate frequency band for IMT identification, which requires ...