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D255986 | Chang et al. | Jul 1980 | |
D308631 | Burns et al. | Jun 1990 | |
D346555 | Binder | May 1994 | |
D378058 | Meisner et al. | Feb 1997 | |
2135239 | Patterson | Nov 1938 | |
2711839 | Konefes | Jun 1955 |