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Title:
Dredging method
United States Patent 3310894
Inventors:
James, Ball
Application Number:
US36626264A
Publication Date:
03/28/1967
Filing Date:
05/11/1964
Assignee:
James, Ball
Primary Class:
Other Classes:
37/314, 37/318
International Classes:
E02F3/88; E02F3/92; E21C50/00
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