HasPipeDiameter = getResourceOrNull(graph, URIs.HasPipeDiameter);
HasPipeDiameter_Inverse = getResourceOrNull(graph, URIs.HasPipeDiameter_Inverse);
HasPipeRun = getResourceOrNull(graph, URIs.HasPipeRun);
HasPrevious = getResourceOrNull(graph, URIs.HasPrevious);
HasRotationAngle = getResourceOrNull(graph, URIs.HasRotationAngle);
HasRotationAngle_Inverse = getResourceOrNull(graph, URIs.HasRotationAngle_Inverse);
HasPipeDiameter = getResourceOrNull(graph, URIs.HasPipeDiameter);
HasPipeDiameter_Inverse = getResourceOrNull(graph, URIs.HasPipeDiameter_Inverse);
HasPipeRun = getResourceOrNull(graph, URIs.HasPipeRun);
HasPrevious = getResourceOrNull(graph, URIs.HasPrevious);
HasRotationAngle = getResourceOrNull(graph, URIs.HasRotationAngle);
HasRotationAngle_Inverse = getResourceOrNull(graph, URIs.HasRotationAngle_Inverse);