Cite Filings / BCHT / 0001477932-23-002033

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NT 10-K

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Birchtech Corp. Filed 2023-03-31 Acc 0001477932-23-002033

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NT 10-K , meec_nt10k.htm

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2024-04-01 NT 10-K NT 10-K
2023-03-31 NT 10-K NT 10-K
2022-03-31 NT 10-K NT 10-K

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