|
AU5736890A
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Rock drilling bit
|
|
ZA9004380B
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Rock drilling bit
|
|
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Improvements in pneumatic percussion hammers
|
|
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|
|
Pneumatic percussion hammers
|
|
AU8176787A
|
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Reversed circulation pneumatic percussion hammer
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|
CA1060427A
|
|
Pneumatic percussion hammer
|
|
JPS53113702A
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Air hammer
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|
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Pneumatic percussion hammer
|
|
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|
|
Improvements in Tension Apparatus for Yarn Winding Frames and the like.
|
|
CA179426A
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Yarn winding apparatus
|
|
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Tension apparatus for yarn-winding frames and the like.
|
|
GB191424586A
|
|
Improvements in Tension Apparatus for Yarn Winding Frames and the like.
|
|
US823885A
|
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Rotary engine.
|
|
GB189524776A
|
|
Improvements in Machines for Cutting Tapered Grooves or Slots in Wood, Metal, and the like.
|
|
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Dirigible headlight
|
