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Marketing battle between CBS and RCA because they had similar products that were not compatible. They compromised and LPs were for albums and 45s were for singles, record players wee designed for both. (1 ene 1948 año – 1 ene 1953 año)

Añadido al timeline:

18 oct 2018
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0
519

fecha:

1 ene 1948 año
1 ene 1953 año
~ 5 years