Add 302 workshop floor vacuum oven dried production line changes: <br>1. The new purchase a small 302 is placed in a vacuum drying oven 229 workshop floor room. <br>2. available for new small vacuum oven drying device authentication. <br>3. Drafting appropriate equipment technical manuals, cleaning procedures, and update the relevant drawings. <br>4. The upgrade process planning, batch records. "
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