Cl. 37: Drilling gas drilling drilling of wells rock drilling oil drilling boring of wells installation, maintenance and repair of drilling and mining tools drilling of deep oil or gas wells drilling for crude oil boring of water or oil wells drilling and pumping of oil water well drilling oil well drilling oil and gas drilling water or oil well boring rental of oil well drilling tools · Cl. 42: Technological consultancy research in the field of science geological test drilling mineral exploration services gas exploration
A. A. (pessoa física)
Especificação: Cl. 37: Drilling gas drilling drilling of wells rock drilling oil drilling boring of wells installation, maintenance and repair of drilling and mining tools drilling of deep oil or gas wells drilling for crude oil boring of water or oil wells drilling and pumping of oil water well drilling oil well drilling oil and gas drilling water or oil well boring rental of oil well drilling tools · Cl. 42: Technological consultancy research in the field of science geological test drilling mineral exploration services gas exploration
