4
Oils, fuels and oil-sands products included in this class
7
Oil field machinery; product separators; machines for mining, drilling, pumping, crushing and extracting oil-sands, and for processing and manufacturing oil-sands products
19
Asphalt; bitumen; sand; building materials
37
Mining, drilling, pumping, crushing and extraction of oil-sands, into oil, fuel and other oil-sands products; solvent extraction, rental of machines and equipment for mining, drilling, pumping and extraction of oil-sands and for processing and manufacturing oil-sands products; repair and maintenance of said machines and equipment
40
Processing of oil-sands and oil-sands products; refining; recycling; treatment of materials
42
Exploration of oil-sands fields; searching, surveying, assaying and prospecting services for exploration of oil-sands fields; reasearch and development in the fields of oil-sands exploration, oil-sands deposits, oil-sands exploitation, oil-sands extraction and oil-sands products; consultation in the fields of oil-sands exploration, oil sands deposits, oil-sands exploitation, oil-sands extraction and oil-sands products; engineering services in the fields of oil-sands exploration, oil-sands deposits, oil-sands exploitation, oil-sands extraction and oil-sands products
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