12/6/2023 0 Comments Suction dredge nozzles![]() Sloan Original Assignee Sloan Albert H 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 status listed.) Expired - Lifetime Application number US06/222,742 Inventor Albert H. ![]() Google Patents Hand operated suction dredge head and hydraulic submersible pump assemblyÄownload PDF Info Publication number US4352251A US4352251A US06/222,742 US22274281A US4352251A US 4352251 A US4352251 A US 4352251A US 22274281 A US22274281 A US 22274281A US 4352251 A US4352251 A US 4352251A Authority US United States Prior art keywords nozzle head suction fluid valve Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. ![]() Google Patents US4352251A - Hand operated suction dredge head and hydraulic submersible pump assembly US4352251A - Hand operated suction dredge head and hydraulic submersible pump assembly
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