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| 037 | _cReports | ||
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| 082 | _a"X9(HZ551):9.1.N51t, J1.1-.3" | ||
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_a"International Labour Organization, coal mines committee(4th session) (1951 : Geneva)" _9379410 |
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| 245 | 0 |
_aCoal Mines Committee _b General report |
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| 260 |
_aGeneva _bILO _c1951 |
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| 490 | _vV1 | ||
| 650 | _aMinings | ||
| 942 |
_h"X9(HZ551):9.1.N51t, J1.1-.3" _cCC |
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_c697407 _d697407 |
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