ZA727135B - Valved underwater drainage apparatus - Google Patents

Valved underwater drainage apparatus

Info

Publication number
ZA727135B
ZA727135B ZA727135A ZA727135A ZA727135B ZA 727135 B ZA727135 B ZA 727135B ZA 727135 A ZA727135 A ZA 727135A ZA 727135 A ZA727135 A ZA 727135A ZA 727135 B ZA727135 B ZA 727135B
Authority
ZA
South Africa
Prior art keywords
valved
drainage apparatus
underwater drainage
underwater
valved underwater
Prior art date
Application number
ZA727135A
Inventor
L Kurtz
R Bidwell
Original Assignee
Deknatel Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Deknatel Inc filed Critical Deknatel Inc
Publication of ZA727135B publication Critical patent/ZA727135B/en

Links

ZA727135A 1971-07-10 1972-10-05 Valved underwater drainage apparatus ZA727135B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26996271A 1971-07-10 1971-07-10

Publications (1)

Publication Number Publication Date
ZA727135B true ZA727135B (en) 1973-07-25

Family

ID=23029322

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA727135A ZA727135B (en) 1971-07-10 1972-10-05 Valved underwater drainage apparatus

Country Status (1)

Country Link
ZA (1) ZA727135B (en)

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