Cite Filings / BCHT / 0001477932-20-001687

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NT 10-K

Filing

Birchtech Corp. Filed 2020-03-30 Acc 0001477932-20-001687

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NT 10-K , meec_nt10k.htm

Around this filing

2021-03-31 NT 10-K NT 10-K
2020-03-30 NT 10-K NT 10-K
2019-04-01 NT 10-K NT 10-K

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