Geography · Economic Geography

सीमेंस-मार्टिन की ओपन-हर्थ प्रक्रिया ऐतिहासिक रूप से किस उद्योग से संबंधित तकनीक है?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1रासायनिक उद्योग
2लोहा और इस्पात उद्योग✓
3कागज उद्योग
4कपड़ा उद्योग

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लोहा और इस्पात उद्योग

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सीमेंस-मार्टिन की ओपन-हर्थ प्रक्रिया ऐतिहासिक रूप से किस उद्योग से संबंधित तकनीक है?

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सीमेंस-मार्टिन की ओपन-हर्थ प्रक्रिया ऐतिहासिक रूप से किस उद्योग से संबंधित तकनीक है?

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