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establishment of the sinking of shafts, particularly of staple and gefrierschächten, from the full
establishment of the sinking of shafts, particularly of staple and gefrierschächten, from the full
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机译:完整地确定轴的下沉,尤其是订书钉和格夫莱夏格滕
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摘要
the abteufmaschine the sinking of shafts includes a kreisringförmigen abstützrahmen, via locking devices on his außenumfang determined in a shaft is also provided in abteufrichtung below the abstützra
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