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OECD International Trade
International Trade By Commodity Statistics (SITC Rev. 3)
7: Machinery and transport equipment
77: Electrical machinery, apparatus and appliances, n.e.s.
774: Electro-diagnostic appa. for medical sciences, etc.
7741: Electro-diagnostic apparatus (excluding radiological)
7741: Electro-diagnostic apparatus (excluding radiological)
77411: Electrocardiographs
77412: Other electro-diagnostic apparatus
77413: Ultra-violet or infra-red ray apparatus
7741: Electro-diagnostic apparatus (excluding radiological)
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