Minnesota
Department of Labor and Industry
LANGENBACH, DOUGLAS W
Boiler - Historical Boiler Engineer
License number
HB027128
Date granted
08/19/1988
Class
Boiler - Historical Boiler Engineer
Status
Issued
Address
2271 113TH AV NW, COON RAPIDS , MN 55433
mnlicensing.org
ID 21902331
LAST UPDATED 2026-04-19 04:45:29 UTC
LAST UPDATED 2026-04-19 04:45:29 UTC
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