Number | Date | Country | Kind |
---|---|---|---|
930945 | Apr 1993 | SEX |
Number | Name | Date | Kind |
---|---|---|---|
1484469 | Brucebrie | Feb 1924 | |
1570887 | Graves | Jan 1926 | |
1908821 | Cornell, Jr. | May 1933 |
Entry |
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"Ducts and Fittings", p. 30, Lindab AB, 1987. |
Ducts and Fittings Catalog, by Lindab AB, Distributed in 1987, p. #2. |