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AU253973B2 - Improved drainage sumps - Google Patents
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AU253973B2 - Improved drainage sumps - Google Patents

Improved drainage sumps

Info

Publication number
AU253973B2
AU253973B2 AU3800/61A AU380061A AU253973B2 AU 253973 B2 AU253973 B2 AU 253973B2 AU 3800/61 A AU3800/61 A AU 3800/61A AU 380061 A AU380061 A AU 380061A AU 253973 B2 AU253973 B2 AU 253973B2
Authority
AU
Australia
Prior art keywords
improved drainage
drainage sumps
sumps
improved
drainage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
AU3800/61A
Inventor
David Davis Noel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Everhard Concrete Products Pty Ltd
Original Assignee
Everhard Concrete Products Pty Ltd
Filing date
Publication of AU253973B2 publication Critical patent/AU253973B2/en
Application filed by Everhard Concrete Products Pty Ltd filed Critical Everhard Concrete Products Pty Ltd
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU3800/61A 1961-04-20 Improved drainage sumps Expired - Lifetime AU253973B2 (en)

Publications (1)

Publication Number Publication Date
AU253973B2 true AU253973B2 (en)

Family

ID=

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