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A B C D E F G H I J K L M N P Q R S T U V Z [ สังคมศาสตร์ ( Social Sciences ) ] back |
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H H1 HA HB HC HD HE HF HG HJ HM HN HQ HS HT HV HX |
| HD1 HD2 HD3 HD4 HD5 HD6 HD7 HD8 HD9 |
| LC | คำอธิบาย | ||||||||
| Chemical industries | |||||||||
| Pharmaceutical industry | |||||||||
| Mechanical industries Including electric utilities, electronic industries, and machinery | |||||||||
| Construction industry | |||||||||
| Manufacturing industries | |||||||||
| Miscellaneous industries and trades | |||||||||
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