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Subject: external waste mining. Stoping width - the sum of the channel width and external waste widths.
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link 2.04.2008 10:13 |
| Это только Einer может знать. |
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Subject: external waste mining. Stoping width - the sum of the channel width and external waste widths.
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link 2.04.2008 10:13 |
| Это только Einer может знать. |
| You need to be logged in to post in the forum |