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Birchtech Corp.

SIC 3829 · Measuring & Controlling Devices, NEC
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Birchtech Corp.

CIK:0000728385|SEC Filings

ARTICLES AND BYLAWS

EX-3.1
meec_ex31.htm
2026-07-28T00:00:00Z
EX-3.1
meec_ex31.htm
2025-12-29T00:00:00Z
EX-3.1
meec_ex31.htm
2024-11-15T00:00:00Z
EX-3.1
meec_ex31.htm
2024-10-17T00:00:00Z
EX-3.1
meec_ex31.htm
2015-11-06T00:00:00Z
EX-3.1
meec_ex31.htm
2015-03-20T00:00:00Z
EX-3.2
meec_ex32.htm
2014-10-16T00:00:00Z
EX-3.1
chinayouth_ex31.htm
2011-10-14T00:00:00Z
EX-3.1
chyu_ex31.htm
2011-09-19T00:00:00Z
EX-3.1
chyu_ex31.htm
2011-06-27T00:00:00Z
EX-3.1
v060188_ex3-1.htm
2006-12-13T00:00:00Z
EX-3.2
v060188_ex3-2.htm
2006-12-13T00:00:00Z
EX-3.3
v060188_ex3-3.htm
2006-12-13T00:00:00Z
EX-3.1
v022186_ex3-1.txt
2005-07-21T00:00:00Z
EX-3.1
exhibit3-1cert_designation.htm
2008-06-04T00:00:00Z
EX-3.(II)
bylaws.txt
2001-08-09T00:00:00Z
EX-3.(I)
artcorp.txt
2001-08-09T00:00:00Z