| 
                  
							
							
							  |  Type : 104.002-OS, Special Optical Glass |  
                      |  |  
 					              					                |  |  							  |  Type : 104.002B-OS, Special Optical Glass |                        |  |  
 					              					                |  |  							  |  Type : 104.002-QS, Quartz |                        |  |  
 					              					                |  |  							  |  Type : 104.002B-QS, Quartz |                        |  |  
 					              					                |  |  							  |  Type : 115-QS, Quartz |                        |  |  
 					              					                |  |  							  |  Type : 115B-QS, Quartz |                        |  |  
 					              					                |  |  							  |  Type : 108.002-QS, Quartz |                        |  |  
 					              					                |  |  							  |  Type : 108.002B-QS, Quartz |                        |  |  
 					              					                |  |  							  |  Type : 105-QS, Quartz |                        |  |  
 					              					                |  |  							  |  Type : 105B-QS, Quartz |                        |  |  |