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  1. 1
    local holding
    by Meinert, H.
    Published in Technikgeschichte (1938)
    Article
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    online resource
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    online resource
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  10. 10
    online resource
    by Grumm, Meinert H.
    Published in The Expository Times (1985)
    Get additional information online
    E-Article
  11. 11
    online resource
  12. 12
    online resource
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    online resource
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