Question
टंगस्टन का आविष्कार कब हुआ था?
Answer
1781 ईसवी में हुआ था।Subscribe to our youtube channel!
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Hinglish Excerpt
Tungsten ka avishkar kab hua tha?
Tags: आविष्कारटंगस्टनटंगस्टन का आविष्कार
Subjects: General KnowledgePhysics