फोनोग्राफ का आविष्कार किस� – McqOptions

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1.	फोनोग्राफ का आविष्कार किसने किया था?
A.	थॉमस एडिसन
B.	जॉन क्रूसी
C.	जूल्स लेवी
D.	अलेक्जेंडर ग्राहम बेल
Answer» C. जूल्स लेवी

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