सिम कार्ड का अविष्कार किसने किया? - Gk To You
Sim card ka avishkar kisne kiya jio sim ka avishkar kisne kiya sim ka avishkar kisne kiya tha mobile ka aviskar kisne kiya whatsapp ka avishkar kisne kiya security alarm ka avishkar kisne kiya tha bulb ka avishkar kisne kiya 1 ka avishkar kisne kiya tv ka avishkar kisne kiya
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