-<xsd:schema elementFormDefault="qualified" attributeFormDefault="unqualified" targetNamespace="http://www.witsml.org/schemas/131/addendum/combo" version="1.3.1">
<!--
                                                         
 -->
<!--
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	This file is distributed under the POSC License Agreement at
	http://www.posc.org/about/license.shtml.
	Use of this file constitutes agreement with the POSC License Agreement.
	
 -->
<!--
                                                         
 -->
 <xsd:include schemaLocation="typ_dataTypes.xsd"/>
 <xsd:include schemaLocation="typ_catalog_compStr.xsd"/>
<!--
                                                         
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<!--
                                                         
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-<xsd:complexType name="materialGradeStruct">
-<xsd:annotation>
 <xsd:documentation>Specifies a material grade with a comment about the grade.</xsd:documentation>
 </xsd:annotation>
-<xsd:simpleContent>
-<xsd:extension base="witsml:MaterialGrade">
-<xsd:attribute name="Comment" type="witsml:commentString" use="optional">
-<xsd:annotation>
 <xsd:documentation>A remark about the grade.</xsd:documentation>
 </xsd:annotation>
 </xsd:attribute>
 </xsd:extension>
 </xsd:simpleContent>
 </xsd:complexType>
<!--
                                                         
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 </xsd:schema>