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543.2 Manganese and Alloys;546.3 Zinc and Alloys;547.2 Rare Earth Metals;741.1 Light/Optics;804.1 Organic Compounds 1 Chemical Apparatus And Plants 1 Engineering Research 1
Heat Treatment Processes 1 Inorganic Compounds 1 Metal Plating 1
Metals Corrosion And Protection 1 Minerals; Chemical Operations; Engineering Research 1 Organic Compounds 1
Polymerization 1 Relativity 1 business & economics 1
chemical products generally; mechanical properties; ceramics, refractories and glass; metals, plastics, wood and other structural materials; insulating materials; concrete 1 computer software, data handling and applications;artificial intelligence;education; mathematics 1 industrial engineering; information science; computer software, data handling and applications;management;computer peripheral equipment; telecommunication; radar, radio and television; telephone systems and related technologies; line communications 1
mathematical transformations;information theory and signal processing;electric and electronic instruments; telecommunication; radar, radio and television;biomedical engineering 1 organic polymers;biochemistry;optical devices and systems;manufacturing;light/optics;biomaterials (including synthetics) 1

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