Constant head permeability cell 75mm dia

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Select CountryAfghanistanAlbaniaAlgeriaAndorraAngolaAntigua and BarbudaArgentinaArmeniaAustraliaAustriaAustrian EmpireAzerbaijanBadenBahamas, TheBahrainBangladeshBarbadosBavariaBelarusBelgiumBelizeBenin (Dahomey)BoliviaBosnia and HerzegovinaBotswanaBrazilBruneiBrunswick and LüneburgBulgariaBurkina Faso (Upper Volta)BurmaBurundiCabo VerdeCambodiaCameroonCanadaCayman Islands, TheCentral African RepublicCentral American FederationChadChileChinaColombiaComorosCongo Free State, TheCosta RicaCote d’Ivoire (Ivory Coast)CroatiaCubaCyprusCzechiaCzechoslovakiaDemocratic Republic of the CongoDenmarkDjiboutiDominicaDominican RepublicDuchy of ParmaEast Germany (German Democratic Republic)EcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEswatiniEthiopiaFederal Government of GermanyFijiFinlandFranceGabonGambia, TheGeorgiaGermanyGhanaGrand Duchy of Tuscany, TheGreeceGrenadaGuatemalaGuineaGuinea-BissauGuyanaHaitiHanoverHanseatic RepublicsHawaiiHesseHoly SeeHondurasHungaryIcelandIndiaIndonesiaIranIraqIrelandIsraelItalyJamaicaJapanJordanKazakhstanKenyaKingdom of Serbia/YugoslaviaKiribatiKoreaKosovoKuwaitKyrgyzstanLaosLatviaLebanonLesothoLew Chew (Loochoo)LiberiaLibyaLiechtensteinLithuaniaLuxembourgMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMauritaniaMauritiusMecklenburg-SchwerinMecklenburg-Strelitz*MexicoMicronesiaMoldovaMonacoMongoliaMontenegroMoroccoMozambiqueNamibiaNassauNauruNepalNetherlands, TheNew ZealandNicaraguaNigerNigeriaNorth German ConfederationNorth German UnionNorth MacedoniaNorwayOldenburgOmanOrange Free StatePakistanPalauPanamaPapal StatesPapua New GuineaParaguayPeruPhilippinesPiedmont-SardiniaPolandPortugalQatarRepublic of GenoaRepublic of Korea (South Korea)Republic of the CongoRomaniaRussiaRwandaSaint Kitts and NevisSaint LuciaSaint Vincent and the GrenadinesSamoaSan MarinoSao Tome and PrincipeSaudi ArabiaSchaumburg-LippeSenegalSerbiaSeychellesSierra LeoneSingaporeSlovakiaSloveniaSolomon Islands, TheSomaliaSouth AfricaSouth SudanSpainSri LankaSudanSurinameSwedenSwitzerlandSyriaTajikistanTanzaniaTexas*ThailandTimor-LesteTogoTongaTrinidad and TobagoTunisiaTurkeyTurkmenistanTuvaluTwo SiciliesUgandaUkraineUnion of Soviet Socialist RepublicsUnited Arab Emirates, TheUnited Kingdom, TheUruguayUzbekistanVanuatuVenezuelaVietnamWürttembergYemenZambiaZimbabwe

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