PL34512B1 - - Google Patents

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Publication number
PL34512B1
PL34512B1 PL34512A PL3451250A PL34512B1 PL 34512 B1 PL34512 B1 PL 34512B1 PL 34512 A PL34512 A PL 34512A PL 3451250 A PL3451250 A PL 3451250A PL 34512 B1 PL34512 B1 PL 34512B1
Authority
PL
Poland
Prior art keywords
cell
sound
crystal
transformer
cells
Prior art date
Application number
PL34512A
Other languages
English (en)
Polish (pl)
Filing date
Publication date
Application filed filed Critical
Publication of PL34512B1 publication Critical patent/PL34512B1/pl

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PL34512A 1950-09-25 PL34512B1 (cs)

Publications (1)

Publication Number Publication Date
PL34512B1 true PL34512B1 (cs) 1951-08-31

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