博客來This manual contains thorough information on the production of various types of essences, including their extraction and processing. It also features detailed descriptions of the equipment and materials used for this purpose. Essential oils and perfumes makers will find this manual very useful to improve the quality of their products and broaden their range of offerings.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.
This work is in the ＂public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.
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