Cite Filings / BCHT / 0001477932-21-001911

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NT 10-K

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Birchtech Corp. Filed 2021-03-31 Acc 0001477932-21-001911

Documents 1

NT 10-K , meec_nt10k.htm

Around this filing

2022-03-31 NT 10-K NT 10-K
2021-04-05 10-K Annual Report
2021-03-31 NT 10-K NT 10-K
2020-03-30 NT 10-K NT 10-K

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