Metadata
Author: WikiMatrix
Data
English[en]
Telephone companies in most of the 20th century, especially the largest (the Bell System) were integrated, making their own telephones, telephone cables, telephone exchange equipment and other supplies.
Indonesian[id]
Perusahaan-perusahaan telekomunikasi pada abad ke-20, seperti Bell System juga menerapkan integrasi vertikal, dengan memproduksi sendiri telepon, kabel telepon, sentral telepon, dan banyak peralatan penunjang lain.