prov:value
| - ly the exemption to medicine provided for no consideration and materials which become an ingredient or component part of medicine, effective July 1, 1993, and applicable to sales and the storage, use or other consumption occurring on or after January 1, 1990, and added Subsec. (81) re machinery, equipment, tools and materials used in fabrication of optical lenses, effective July 1, 1993, and appli
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