PL45773B1 - - Google Patents

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Publication number
PL45773B1
PL45773B1 PL45773A PL4577361A PL45773B1 PL 45773 B1 PL45773 B1 PL 45773B1 PL 45773 A PL45773 A PL 45773A PL 4577361 A PL4577361 A PL 4577361A PL 45773 B1 PL45773 B1 PL 45773B1
Authority
PL
Poland
Prior art keywords
pipe
resonant element
element according
room
sided
Prior art date
Application number
PL45773A
Other languages
English (en)
Polish (pl)
Filing date
Publication date
Application filed filed Critical
Publication of PL45773B1 publication Critical patent/PL45773B1/pl

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PL45773A 1961-06-15 PL45773B1 (enExample)

Publications (1)

Publication Number Publication Date
PL45773B1 true PL45773B1 (enExample) 1962-04-15

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