Mossel Bay, ZA
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Patent Grant
The Petroleum Oil and Gas Corporation of South Africa (Pty) Ltd.
Cyril David Knottenbelt
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Patent Application
Cyril David Knottenbelt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
