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Equal wavelength broadcasting
US 1,988,275 A
Filed
: 09/11/1931
Issued
: 01/15/1935
Est. Priority Date
: 09/13/1930
Status: Expired due to Term
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Current Assignee
Hans Harbich
Original Assignee
Hans Harbich
Inventors
HANS HARBICH
Application Number
US02/562,425
Time in Patent Office
1,222 Days
Field of Search
US Class Current
455/101
CPC Class Codes
H04H 20/67
Common-wave systems, i.e. u...
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