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GB826218A
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Improvements relating to the manufacture of spot welded sieve bottoms
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US2778577A
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Oscillatory mill with air separation
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GB779302A
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A method of and apparatus for mixing different kinds of coal and other admixtures
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GB698660A
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Improvements in and relating to oscillating or vibrating mill with air separation
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GB696001A
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Improvements in or relating to oscillating mills
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US2760727A
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Process and apparatus for vibratory grinding
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GB706102A
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Improved process for the continuous centrifugal dehydration of sludge
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GB663182A
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Improvements in or relating to the manufacture of spot-welded sieves
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