Filling level indicator having an explosion-proof housing

Details Filling level indicator having an explosion-proof housing Filling level indicator having an explosion-proof housing

2008-10-01

2011-12-06

Williams, Hezron E (Department: 2856)

Measuring and testing

Liquid level or depth gauge

Sight glass

C073S323000

Reexamination Certificate

active

08069724

ABSTRACT:
Filling level indicator having an explosion-proof housing comprising a glass and a metallic frame, wherein the glass is fused into the frame.

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