Notes
स्टेनलेस स्टील का आविष्कार 1913 ई0 में हआ था।
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Hinglish Excerpt
Stainless steel ka Avishkar 1913 eesvi mein hua tha.
Tags: 1913 ई०आविष्कारस्टेनलेस स्टील
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Exams: UPSCUPPCSSSCRRBIBPSSBIRBICTETAFCATUGC NETDefence/PoliceUPPCLCourt/LegalOthers
