H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
344/15, 379/33
H04Q 3/00 (2006.01) H04M 3/42 (2006.01) H04M 3/58 (2006.01)
Patent
CA 968478
Evans John G.
Morse Charles E.
LandOfFree
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