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家园 EUKLEMS中的电子产品大类

是覆盖30-33的二级子目录,其中三级子目录见下表,四级子目录参见使用手册中SIC92的行业分类。

ELECTRICAL AND OPTICAL EQUIPMENT 30t33

Office, accounting and computing machinery 30

Electrical engineering 31t32

Electrical machinery and apparatus, nec 31

Insulated wire 313

Other electrical machinery and apparatus nec 31x

Radio, television and communication equipment 32

Electronic valves and tubes 321

Telecommunication equipment 322

Radio and television receivers 323

Medical, precision and optical instruments 33

Scientific instruments 331t3

Other instruments 334t5

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