![]() Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US885764A Inventor Earl J Beck Jr Current Assignee (The listed assignees may be inaccurate. Google Patents Dredging method employing injection and suction nozzlesÄownload PDF Info Publication number US3646694A US3646694A US885764A US3646694DA US3646694A US 3646694 A US3646694 A US 3646694A US 885764 A US885764 A US 885764A US 3646694D A US3646694D A US 3646694DA US 3646694 A US3646694 A US 3646694A Authority US United States Prior art keywords mass flow fluid pressure lumps Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. ![]() Google Patents US3646694A - Dredging method employing injection and suction nozzles US3646694A - Dredging method employing injection and suction nozzles
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