Massachusetts
Board of Regulations and Standards
DAVID S WELCH
Engineering Licenses - Oil Burner Technician Certificate
License number
BU-028619
Date expires
01/02/2013
Class
Engineering Licenses - Oil Burner Technician Certificate
Status
Address
massbuilding.org
ID 42460048
LAST UPDATED 2026-07-07 04:09:45 UTC
LAST UPDATED 2026-07-07 04:09:45 UTC
This website is unaffiliated with the Board of Regulations and Standards. Please verify all information directly with the relevant official government authority.