La lutte contre le grisou en Belgique. Préf. de A. Halleux
| Institution: | International Institute of Social History |
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| Format: | TEXT |
| Published: |
Bruxelles,
1931.
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/5993879E-7B5E-405A-B5CC-C8FA4F88D3DA |
| Published: | 1931. |
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