Devices and methods for performing inspections, repairs,...

Details Devices and methods for performing inspections, repairs,... Devices and methods for performing inspections, repairs,...

2011-07-05

2011-07-05

Williams, Hezron (Department: 2856)

Measuring and testing

Inspecting

Reexamination Certificate

active

07971497

ABSTRACT:
Devices and methods facilitate inspections, repairs, and other operations within vessels without human entry into the vessels, and without introducing contaminants that could reduce the purity of materials held in the vessels below predetermined minimum levels.

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