जेबी डनलप ने क्या आविष्कार – McqOptions

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1.	जेबी डनलप ने क्या आविष्कार किया?
A.	वायवीय रबर टायर
B.	ऑटोमोबाइल पहिया रिम
C.	रबड़ के जूते
D.	मॉडल हवाई जहाज
Answer» B. ऑटोमोबाइल पहिया रिम

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