Penelusuran patent Iis Siti Aisyah PhD
Basisdata paten bebas akses WIPO : http://www.wipo.int/pctdb/en/ USPTO : http://www.uspto.gov/patft/ European Register : file inspection http://www.epoline.org/portal/public Belgian Register : http://nl.ecodoc.mineco.fgov.be/ NPO : http://www.innovaccess.eu http://www.patentanalysis.com/index.php http://www.dpma.de/service/depatisnet.html http://www.european-patent-office.org/onlinelinks/d/
Japan Patent Office
Merubah energi Shear Stress menjadi Impact Stress Horizontal Ball Mill Vertikal Ball Mill
Tinjauan Patent
Tinjauan Patent
US Patent Ball Mill Pulverizer Ball Mill with Cooled
US Patent Planetary High Energy Ball Mill
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