A Chinese medicinal ointment for treating diabetic foot gangrene and its preparation method are provided. A friend of mine applied for a national patent of traditional Chinese medicine ointment for treating diabetic gangrene.
Search the patent in official website, China National Intellectual Property Administration, and enter the patent number or other information to retrieve the patent. If there is no result, the application is not passed. You can entrust an intellectual property agency to apply for a patent. This kind of agency can handle customs clearance business for a long time, be more familiar with the process and save time.
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