Public.Resource.Org- ทำจากก้านกระท้อน sandoricom indicum ,Standard Year Language Title Title; TIS 4 Part 1-2529: 1986: English: Incandescent lamps: TIS 4 Part 1-2529: 1986: Thai: Incandescent lamps: TIS 10-2529: 1986: English: Low-voltag

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