Explanation

Code 34 is used to indicate that chemical equations are expressed using MathML markup.

Only for use in ONIX 3.0 or later.

Examples

Example 1 — Chemical equations in MathML
<ProductFormFeature>
   <ProductFormFeatureType>09</ProductFormFeatureType>
   <ProductFormFeatureValue>34</ProductFormFeatureValue>
</ProductFormFeature>

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