Number | Date | Country | Kind |
---|---|---|---|
903061 | Jun 1990 | FIX |
Number | Name | Date | Kind |
---|---|---|---|
1323345 | Wisner | Dec 1919 | |
1516710 | Caputo | Nov 1924 | |
3071833 | Tumey | Jan 1963 | |
3530540 | Mueller | Sep 1970 | |
3687412 | Vaughan et al. | Aug 1972 | |
3881856 | Fougea | May 1975 | |
3924295 | VerBurg | Dec 1975 | |
4634359 | Sartorio | Jan 1987 | |
4666387 | Yokota et al. | May 1987 |
Number | Date | Country |
---|---|---|
1459229 | May 1971 | DEX |
2128496 | Dec 1971 | DEX |
2042151 | Mar 1972 | DEX |
2907508 | Sep 1980 | DEX |
304132 | Jun 1971 | SUX |
476991 | Oct 1975 | SUX |
700334 | Nov 1979 | SUX |
2103143 | Feb 1983 | GBX |
Entry |
---|
English abstract DE 2907508. |
English abstract SU 476 991. |
English abstract SU 700 334. |
Betonwerk & Fertigteil-Technik, Heft 6/90, p. 123 (Advertisement with English text). |