Cite Filings / BCHT / 0001477932-21-002039

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10-K

Annual Report

Birchtech Corp. Filed 2021-04-05 Acc 0001477932-21-002039

Documents 1

10-K Annual Report , meec_10k.htm

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2022-04-05 10-K Annual Report
2021-04-05 10-K Annual Report
2021-03-31 NT 10-K NT 10-K
2020-05-14 10-K Annual Report

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