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GB191316736A
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Improvements in Threading Dies.
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GB191222212A
|
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Improvements in Threading Dies.
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|
GB191206211A
|
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Improvements in or relating to Threading Dies.
|
|
GB191205452A
|
|
Improvements in or relating to Multiple Spindle Drilling Machines.
|
|
GB191305932A
|
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Improved Tapping Mechanism for Multiple Spindle Metal Working Machines.
|
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CA140706A
|
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Metal working machine
|
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GB191105939A
|
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Improvements in or relating to Multiple Spindle Automatic Lathes.
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|
GB191026498A
|
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Multiple Drilling Machine.
|
|
GB191026497A
|
|
Automatic Nut Feed for Tapping Machines.
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|
GB190819712A
|
|
Improvements in Taps for Cutting Threads.
|
|
GB190819713A
|
|
Improvement in Tapping Process and Machine
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