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Sealing device for tubular shafting
US 2,664,271 A
Filed
: 12/06/1951
Issued
: 12/29/1953
Est. Priority Date
: 12/06/1951
Status: Expired due to Term
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Current Assignee
Armais Arutunoff
Original Assignee
Armais Arutunoff
Inventors
ARMAIS ARUTUNOFF
Application Number
US03/260,177
Time in Patent Office
754 Days
Field of Search
US Class Current
175/321
CPC Class Codes
E21B 17/07
Telescoping joints for vary...
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