authorized according to DVGW G 493 / I, group 1 and G
493 / II, edition 5/98
gas metering and control
for supply grid of the plan to the
handing over, including maintenance and
servicing
finished building in aluminum or
concrete by request: architectural adaptation
professionalism in
engineering, project management,
service and plant equipment with electronic measuring technology, gas
odourizing, electrical installations, heating systems