Cite Filings / BCHT / 0001477932-22-001859

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NT 10-K

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Birchtech Corp. Filed 2022-03-31 Acc 0001477932-22-001859

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NT 10-K , meec_nt10k.htm

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2023-03-31 NT 10-K NT 10-K
2022-04-05 10-K Annual Report
2022-03-31 NT 10-K NT 10-K
2021-03-31 NT 10-K NT 10-K

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