Quality level 1951 2545 (2002) Agencies which are involved, such as Thai silk, Thai Department of agriculture, Ministry of agriculture and cooperatives (the original divisions of the Department of Mulberry silk) Faculty of political science, Thammasat University, Department of intellectual property, Ministry of Commerce and the Foundation send crafts to H.R.H. Queen Sirikit Phra Borommarachininat sharing seminar for edited guidelines to get a summary section for the protection of Thai silk and force Thai silk production. By logo design Quality assurance is different-level Thai silk and H.R.H. Princess Sirikit Phra Borommarachininat graciously granted a symbol. Peacock, a quality assurance mark, Thai for Thai silk product. 4.
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