Number | Date | Country | Kind |
---|---|---|---|
3729971 | Sep 1987 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2743529 | Hayes | May 1956 | |
2750680 | Houdry et al. | Jun 1956 | |
2795054 | Bowen, III | Jun 1957 | |
3917444 | Carthew | Nov 1975 | |
3942264 | Zenkner | Mar 1976 | |
4132007 | Voorheis | Jan 1979 | |
4771707 | Robson et al. | Sep 1988 |
Number | Date | Country |
---|---|---|
3031935 | Apr 1981 | DEX |
3415914 | Nov 1984 | DEX |
1404286 | Aug 1975 | GBX |
Entry |
---|
"Industrie Anzeiger", (Industrial Gazette), Jan. 30, 1980. |
"Gaswarme Interantional", (Gas Heat International) (1984, No. 9). |
"VDI Richtlinie 2442", (Society of German Engineers Guideline 2442) Jun., 1987. |