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US1233984A Seed-saving attachment for mowers. 失效
保存肥皂的种子。

  • Patent Title: Seed-saving attachment for mowers.
  • Patent Title (中): 保存肥皂的种子。
  • Application No.: US16515617
    Application Date: 1917-04-28
  • Publication No.: US1233984A
    Publication Date: 1917-07-17
  • Inventor: COLE NOEL S
  • Applicant: COLE NOEL S
  • Assignee: Noel S Cole
  • Current Assignee: Noel S Cole
  • Priority: US16515617 1917-04-28
Seed-saving attachment for mowers.
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