AU493483B2 - Improvements on dredging head - Google Patents

Improvements on dredging head

Info

Publication number
AU493483B2
AU493483B2 AU79565/75A AU7956575A AU493483B2 AU 493483 B2 AU493483 B2 AU 493483B2 AU 79565/75 A AU79565/75 A AU 79565/75A AU 7956575 A AU7956575 A AU 7956575A AU 493483 B2 AU493483 B2 AU 493483B2
Authority
AU
Australia
Prior art keywords
dredging head
dredging
head
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
Application number
AU79565/75A
Other versions
AU7956575A (en
Inventor
F. Obrien Charles
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.)
NATIONAL CAR RENTAL SYSTEM Inc
Original Assignee
NATIONAL CAR RENTAL SYSTEM Inc
Filing date
Publication date
Priority claimed from US05/515,992 external-priority patent/US3962803A/en
Application filed by NATIONAL CAR RENTAL SYSTEM Inc filed Critical NATIONAL CAR RENTAL SYSTEM Inc
Application granted granted Critical
Publication of AU7956575A publication Critical patent/AU7956575A/en
Publication of AU493483B2 publication Critical patent/AU493483B2/en
Expired legal-status Critical Current

Links

AU79565/75A 1975-03-26 Improvements on dredging head Expired AU493483B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/515,992 US3962803A (en) 1974-10-18 1974-10-18 Dredging head

Publications (2)

Publication Number Publication Date
AU7956575A AU7956575A (en) 1976-09-30
AU493483B2 true AU493483B2 (en) 1976-09-30

Family

ID=

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