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Patents > CPCs : CPC B21D39/04 or CPC B64C2700/6212 & Number of figures: 2-4

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James Means (3) · None (2) · Valentin Lotz (2) · Joseph Thompson Parker (2) · Johannes Lotz (2) · Adam Lotz (2) · Johann Lotz (2)
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James Means (3) · None (2) · Valentin Lotz (2) · Joseph Thompson Parker (2) · Johannes Lotz (2) · Adam Lotz (2) · Johann Lotz (2)
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