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          60th Anniversary of National 
			Research Council of Thailand (2019) 
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					| Issue 
					Name: | 
					60th Anniversary of National 
					Research Council of Thailand (NRCT) |  
					| Thai Issue 
					Name: | 
					วันไปรษณีย์โลก |  
					| Issue Date: | 
					2019/2562-10-28 |  
					| Cause: | 
					To commemorate the 60th Anniversary of the 
					National Research Council of Thailand, 
					which was was 
					inaugurated by the National Research Council Act 
		      
		      
					BE 
					2502, i.e. 1959 AD. |  
					| Catalogue Number: | 
					2019/46 |  
					| Denomination: | 
					3 Baht |  
					| Unused Value: | 
					3 Baht |  
					| Used Value: | 
					1 Baht |  
					| Thailex Collection: | 
					n/a |  
					| Size: | 
					 30 x 
					48 mm |  
					| Quantity 
					of Stamps: | 
					400,000 pieces |  
					| Printer: | 
					Thai British Security 
					Printing Public Company Limited, Thailand |  
					| Subject: | 
		      
		      The 
	
		      chai pattana aerator, 
	an invention ascribed to King 
	
	
	Bhumipon Adunyadet 
	and used for the 
	improvement of water quality by 
	transferring oxygen to bodies of still water. Also depicted is the patent 
	for the chai pattana aerator model RX-2, which was presented to the king on 
	2 February 1993 by the Department of Intellectual Property. Research for the 
	aerator was done by the Royal Irrigation Department and awarded the firtst 
	prize by the National Research Council of Thailand, an agency which was 
	inaugurated in 1959 AD. |  
					| Related Link: | 
			      
		      	
		      chai pattana aerator, 
					
					
					Bhumipon Adunyadet,
					
			      
			      Rama IX, 
		      
		      
					BE |      
         |