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							  |  Type : 6040, Optical Glass |  
                      |  |  
 					              					                |  |  							  |  Type : 6040 - UV, HOQ310H Glass |                        |  |  
 					              					                |  |  							  |  Type : 104-OS, Special Optical Glass |                        |  |  
 					              					                |  |  							  |  Type : 114-OS, Special Optical Glass |                        |  |  
 					              					                |  |  							  |  Type : 104-QS, Quartz |                        |  |  
 					              					                |  |  							  |  Type : 114-QS, Quartz |                        |  |  
 					              					                |  |  							  |  Type : 104B-QS, Quartz |                        |  |  
 					              					                |  |  							  |  Type : 114B-QS, Quartz |                        |  |  
 					              					                |  |  							  |  Type : 108-QS, Quartz |                        |  |  
 					              					                |  |  							  |  Type : 108B-QS, Quartz |                        |  |  |