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US2929917A
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Electric installation in circumferential seam welding apparatus
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GB841155A
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A sliding expansion contact device for supplying electric current from stationary to moving parts of machines
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US2881403A
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Sliding expansion contact device for supplying electric current from stationary to moving parts of machines
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GB786679A
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Gearbox for universal automatic welding machines
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GB784731A
|
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Reverse gear for the control of the movement of the under-carriage of an automatic welding machine
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GB790511A
|
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A travelling automatic arc welding machine
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US2819623A
|
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Device for the control of the movement of the undercarriage of automatic welding machines
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US2847558A
|
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Gearbox for universal automatic welding machines
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US2846898A
|
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Carriage construction for automatic welding machines
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GB790793A
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An installation comprising two or more hydraulic presses
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GB784097A
|
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A hydraulic control system
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GB784645A
|
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A hydraulic press
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GB780518A
|
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A control system for hydraulic presses
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