B2BCatalogBaseCurveMatchings

b2bOpticLensCatalog→lensBaseCurves→lensBaseCurve

matching
type	B2BCatalogPowerRange
occurs	1..∞
description	a set of conditions that need to be meet that the basecurve entry is valid

<xs:complexType name="B2BCatalogBaseCurveMatchings">
  <xs:sequence>
    <xs:element maxOccurs="unbounded" name="matching" type="B2BCatalogPowerRange"/>
  </xs:sequence>
</xs:complexType>