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Fully automatic control for portable electrical spot welding machines
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Hydraulic pressure booster for riveting machines operated by pressure medium
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Device for engaging and disengaging the toggle mechanism for electrically driven riveting machines
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Safety coupling for electrically operated toggle riveting machines
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Electrically operated toggle riveting machine
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Device for immediately successive machine punching and riveting
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Clutch-actuating mechanism for riveting-machines.
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Riveting-machine.
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