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DIN 12242Laboratory glassware - Interchangeable conical ground joints, dimensions, tolerancesstandard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/2023
DIN 12217Laboratory glassware - Tubes made of borosilicate glass 3.3standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/2002
DIN 12216Laboratory glassware; glass tube ends with round threadstandard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/1975
DIN 12216Laboratory glassware - Glass tube ends with round threadstandard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/2023
DIN 12215Laboratory glassware; glass tube ends for hose connections, olives, capillary tube endsstandard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/1975
DIN 12214Laboratory glassware - Glass tube ends and covers with laboratory flat flange - Dimensions, requirementsstandard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/1996
DIN 12212Laboratory glassware - Connections with vacuum flangestandard by Deutsches Institut Fur Normung E.V. (German National Standard), 01/01/2023
DIN 1221 - DRAFTDraft Document - Dirt trap for manhole coversAmendment by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/2017