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US1164264A
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Method of grinding in tube-mills.
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GB191029710A
|
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Improvements in the Manufacture of Iron and Steel.
|
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US936094A
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Belt controller and tightener.
|
|
US772699A
|
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Ball grinding-mill.
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GB190204348A
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Improvements in the Reduction of Cereals.
|
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GB189906920A
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Improvements in Mills for Pulverizing or Pulverizing and Mixing.
|
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US687519A
|
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Tubular ball-mill.
|
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CA63345A
|
|
Tubular ball mill
|
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GB189817879A
|
|
Improvements in Mills for Pulverizing or Pulverizing and Mixing Cements and other Substances.
|
|
GB189321708A
|
|
An Improved Ball-mill for Pulverizing or for Mixing and Pulverizing.
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