תוצאות חיפוש - information requirements patents ((functions e) or (functions egfr)) gives

החיפוש שביצעת - information requirements patents ((functions e) or (functions egfr)) gives - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
information requirements » nutrition requirements , irrigation requirements , information environments
requirements patents » requirements patterns , requirements papers , requirements water
functions egfr » functions esf , functions error , functions euler
gives » given , give

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