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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 |
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HE1 HE3 HE5 HE6 HE7 HE8 HE9 |
| LC | คำอธิบาย | ||||||||
| Cellular telephone services industry. Wireless telephone industry | |||||||||
| Artificial satellite telecommunications | |||||||||
| Signaling | |||||||||
| Messenger service | |||||||||
| Air transportation. Airlines | |||||||||
| [แสดง 5/5 รายการ] | |||||||||