H - Electricity – 04 – M
Patent
H - Electricity
04
M
379/12, 331/49
H04M 19/02 (2006.01) H03B 5/26 (2006.01) H03L 5/00 (2006.01)
Patent
CA 959184
Borland Walter G.
Cromwell Gordon W.
LandOfFree
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