FI74671C - Stötbar isbrytartillbyggnadsanordning. - Google Patents

Stötbar isbrytartillbyggnadsanordning. Download PDF

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Publication number
FI74671C
FI74671C FI831662A FI831662A FI74671C FI 74671 C FI74671 C FI 74671C FI 831662 A FI831662 A FI 831662A FI 831662 A FI831662 A FI 831662A FI 74671 C FI74671 C FI 74671C
Authority
FI
Finland
Prior art keywords
ice
blades
wedge
icebreaker
cutting
Prior art date
Application number
FI831662A
Other languages
English (en)
Finnish (fi)
Other versions
FI831662L (fi
FI831662A0 (fi
FI74671B (fi
Inventor
Boris Vladimirovich Bogdanov
Georgy Yakovlevich Serbul
Jury Alexandrovich Arshenevsky
Original Assignee
Go I Inzh Vodnogo Transporta
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Go I Inzh Vodnogo Transporta filed Critical Go I Inzh Vodnogo Transporta
Priority to FI831662A priority Critical patent/FI74671C/sv
Publication of FI831662A0 publication Critical patent/FI831662A0/fi
Publication of FI831662L publication Critical patent/FI831662L/fi
Application granted granted Critical
Publication of FI74671B publication Critical patent/FI74671B/fi
Publication of FI74671C publication Critical patent/FI74671C/sv

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  • Arc-Extinguishing Devices That Are Switches (AREA)
FI831662A 1983-05-12 1983-05-12 Stötbar isbrytartillbyggnadsanordning. FI74671C (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI831662A FI74671C (sv) 1983-05-12 1983-05-12 Stötbar isbrytartillbyggnadsanordning.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI831662 1983-05-12
FI831662A FI74671C (sv) 1983-05-12 1983-05-12 Stötbar isbrytartillbyggnadsanordning.

Publications (4)

Publication Number Publication Date
FI831662A0 FI831662A0 (fi) 1983-05-12
FI831662L FI831662L (fi) 1984-11-13
FI74671B FI74671B (fi) 1987-11-30
FI74671C true FI74671C (sv) 1988-03-10

Family

ID=8517197

Family Applications (1)

Application Number Title Priority Date Filing Date
FI831662A FI74671C (sv) 1983-05-12 1983-05-12 Stötbar isbrytartillbyggnadsanordning.

Country Status (1)

Country Link
FI (1) FI74671C (sv)

Also Published As

Publication number Publication date
FI831662L (fi) 1984-11-13
FI831662A0 (fi) 1983-05-12
FI74671B (fi) 1987-11-30

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MM Patent lapsed

Owner name: GORKOVSKY INSTITUT INZHENEROV VODNOGO