4. Textiles: fiber preparation

Robert E. Boyden

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Normally closed wafer thin switch

Electricity: circuit makers and breakers – Electric switch details – Contact
Patent

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Power driven typewriter

Textiles: fiber preparation
Patent

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Power driven typewriter with flexible type head

Textiles: fiber preparation
Patent

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Single element flexible type drum

Textiles: fiber preparation
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Profile ID: LFUS-PAI-P-488827

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