-<xsd:schema elementFormDefault="qualified" attributeFormDefault="unqualified" targetNamespace="http://www.prodml.org/schemas/1series" version="PRODML_v1.3">
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	Use of this file constitutes agreement with the Energistics License Agreement.
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 -->
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 <xsd:include schemaLocation="typ_dataTypesProdml.xsd"/>
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-<xsd:attributeGroup name="attgrp_uid">
-<xsd:attribute name="uid" type="prodml:uidString" use="optional">
-<xsd:annotation>
 <xsd:documentation>The unique identifier of a container element. This attribute is generally required within the context of a WITSML server. There should be no assumption as to the semantic content of this attribute. This should only be used with recurring container types (i.e., maxOccurs greater than one). The value is only required to be unique within the context of the nearest recurring parent element.</xsd:documentation>
 </xsd:annotation>
 </xsd:attribute>
 </xsd:attributeGroup>
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 </xsd:schema>