Device and method for indicating the condition of tubes on a...

Details Device and method for indicating the condition of tubes on a... Device and method for indicating the condition of tubes on a...

2008-10-09

2011-11-22

Lau, Hoi (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S384700, C340S545600, C340S568100, C340S686600, C340S531000, C073S037000, C116S201000

Reexamination Certificate

active

08063778

ABSTRACT:
A device and method for temporarily plugging and visually identifying the condition of tubes.

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