Cite Filings / BCHT / 0001477932-22-002069

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10-K

Annual Report

Birchtech Corp. Filed 2022-04-05 Acc 0001477932-22-002069

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10-K Annual Report , meec_10k.htm

Around this filing

2023-05-15 10-K Annual Report
2022-04-05 10-K Annual Report
2022-03-31 NT 10-K NT 10-K
2021-04-05 10-K Annual Report

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