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The Quarterly Review ; March edition, 1825

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Inventor: Antonius B. Kothmann

Address: Somerset West, ZA
No. of patents: 1
Last patent issue date: 12/02/1986

Number	Title	Issue Date
4626129	Sub-soil drainage piping A sub-soil drainage pipe segment 12 comprises a first round cylindrical portion 14 forming a socket 16 and a second round cylindrical portion 18 integral with and extending from the first portion, the inside diameter of the first portion being substantial...	12/02/1986