PL54569B1 - - Google Patents

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Publication number
PL54569B1
PL54569B1 PL110777A PL11077765A PL54569B1 PL 54569 B1 PL54569 B1 PL 54569B1 PL 110777 A PL110777 A PL 110777A PL 11077765 A PL11077765 A PL 11077765A PL 54569 B1 PL54569 B1 PL 54569B1
Authority
PL
Poland
Prior art keywords
holes
rotors
siren
group
turbines
Prior art date
Application number
PL110777A
Other languages
English (en)
Polish (pl)
Filing date
Publication date
Application filed filed Critical
Priority to GB39649/66A priority Critical patent/GB1154020A/en
Priority to US577260A priority patent/US3385392A/en
Priority to DEV31884A priority patent/DE1274388B/de
Priority to NL6612680A priority patent/NL6612680A/xx
Publication of PL54569B1 publication Critical patent/PL54569B1/pl

Links

PL110777A 1965-09-08 1965-09-08 PL54569B1 (en:Method)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB39649/66A GB1154020A (en) 1965-09-08 1966-09-05 The Ultrasonic Siren Applied on Seagoing Ships for Defogging the Ranges of Vision
US577260A US3385392A (en) 1965-09-08 1966-09-06 Ultrasonic siren applied on seagoing ships for defogging the ranges of vision
DEV31884A DE1274388B (de) 1965-09-08 1966-09-06 Ultraschall-Sirene
NL6612680A NL6612680A (en:Method) 1965-09-08 1966-09-08

Publications (1)

Publication Number Publication Date
PL54569B1 true PL54569B1 (en:Method) 1967-12-27

Family

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