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Pubs1Pats1Pubs2Pats2PermutationPublicationsPatentsRatio
aclm/((("polymer electrolyte membrane" or pem) and ("fuel cells" or "fuel cell")) or pemfc)423266159.0%


Statistical Summary
Total Publications:423
Total Patents: 266
Mean Ratio: 159.02%
Standard Deviation: NaN%
Mean + StdDev: NaN
Mean - StdDev: NaN%