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| air ionization chamber | |||
| air-filled ionization chamber; free air ionization chamber; open air ionization chamber; free ionization chamber | |||
| luftgefüllte Ionisationskammer: 1 phrase in 1 subject |
| Радиоактивное излучение | 1 |
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| |||
| air ionization chamber | |||
| air-filled ionization chamber; free air ionization chamber; open air ionization chamber; free ionization chamber | |||
| luftgefüllte Ionisationskammer: 1 phrase in 1 subject |
| Радиоактивное излучение | 1 |