Title:
CLOSING COVER MADE OF PLASTIC
United States Patent 3421654
Inventors:
Hexel, Gunter Karl Friedrich
Publication Date:
01/14/1969
Assignee:
Schmalbach, Lubeca
Other Classes:
206/508, D09/435, 220/792, 220/837, 220/780
International Classes:
B65D43/16; B65D47/36; B65D47/00; B65D17/02; B65D43/16; B65D43/10