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Improvements in Soft Metal Sheets, or Ribbons, adapted to be Torn into Wires by the User.
Improvements in Soft Metal Sheets, or Ribbons, adapted to be Torn into Wires by the User.
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机译:软金属薄板或带的改进,适合用户撕成金属丝。
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摘要
306. Lane, J. B. Jan. 5. Wire.-Sheets of lead, alloys, tin, soft copper, or other metal are made with deep grooves which leave only shallow connecting portions a so that portions b may be easily severed for use as wire.
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