Cell "x17 y1"
Anmelder
Datum
Patentnummer
Cluster
E. I. Du Pont de Nemours and Company (Wilmington, DE)
1981-05-01
4433082.txt
cluster_19
E. I. Du Pont de Nemours and Company (Wilmington, DE)
1982-09-16
4453991.txt
cluster_19