| Name commonly given to an organosulfur carcinogen widely used as a weapon in World War I (7,3) |
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| Weapon of war * |
The Telegraph Cross Atlantic |
01 Nov 2024 |
| Powerful irritant used in chemical weapons (7,3) |
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| Chemical weapon |
The Telegraph General Knowledge |
04 Oct 2021 |
| Outlawed chemical weapon |
USA Today |
13 Sep 2019 |
| Armed gust circulating as base is lost? |
The Telegraph Toughie |
05 Jun 2019 |
| Outlawed chemical weapon |
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| Chemical weapon of WWI |
USA Today |
15 May 2018 |
| Chemical weapon of WWI |
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| W.W. I horror |
New York Times |
16 Dec 2017 |
| W.W. I horror |
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| WWI chemical warfare weapon |
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| WWI chemical warfare weapon |
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| WWI chemical warfare weapon |
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| Chemical weapon |
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| W.W. I weapon |
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| Weapon introduced in 1917 |
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