Number | Name | Date | Kind |
---|---|---|---|
2345941 | Lehman | Apr 1944 | |
2563259 | Miller | Aug 1951 | |
3917883 | Jepson | Nov 1975 | |
3922404 | Priester | Nov 1975 | |
4094674 | Valancius | Jun 1978 |
Number | Date | Country |
---|---|---|
1085795 | Apr 1965 | DEX |
Entry |
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German Industrial Standard DIN 53,505, Testing of Elastomers; Shore A and D Hardness Test; Aug. 1973; pp. 315-317. |