FI904898A - Anordning foer hopsamling av borrkax. - Google Patents

Anordning foer hopsamling av borrkax. Download PDF

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Publication number
FI904898A
FI904898A FI904898A FI904898A FI904898A FI 904898 A FI904898 A FI 904898A FI 904898 A FI904898 A FI 904898A FI 904898 A FI904898 A FI 904898A FI 904898 A FI904898 A FI 904898A
Authority
FI
Finland
Prior art keywords
sealing
drill
hopsamling
borrkax
anordning foer
Prior art date
Application number
FI904898A
Other languages
English (en)
Other versions
FI87005C (fi
FI904898A0 (fi
FI87005B (fi
Inventor
Martti Kansola
Jouko Kaakkurivaara
Original Assignee
Tampella Oy Ab
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 Tampella Oy Ab filed Critical Tampella Oy Ab
Priority to FI904898A priority Critical patent/FI87005C/fi
Publication of FI904898A0 publication Critical patent/FI904898A0/fi
Publication of FI904898A publication Critical patent/FI904898A/fi
Application granted granted Critical
Publication of FI87005B publication Critical patent/FI87005B/fi
Publication of FI87005C publication Critical patent/FI87005C/fi

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  • Earth Drilling (AREA)
FI904898A 1990-10-04 1990-10-04 Anordning foer hopsamling av borrkax FI87005C (fi)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI904898A FI87005C (fi) 1990-10-04 1990-10-04 Anordning foer hopsamling av borrkax

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI904898 1990-10-04
FI904898A FI87005C (fi) 1990-10-04 1990-10-04 Anordning foer hopsamling av borrkax

Publications (4)

Publication Number Publication Date
FI904898A0 FI904898A0 (fi) 1990-10-04
FI904898A true FI904898A (fi) 1992-04-05
FI87005B FI87005B (fi) 1992-07-31
FI87005C FI87005C (fi) 1992-11-10

Family

ID=8531173

Family Applications (1)

Application Number Title Priority Date Filing Date
FI904898A FI87005C (fi) 1990-10-04 1990-10-04 Anordning foer hopsamling av borrkax

Country Status (1)

Country Link
FI (1) FI87005C (fi)

Also Published As

Publication number Publication date
FI87005C (fi) 1992-11-10
FI904898A0 (fi) 1990-10-04
FI87005B (fi) 1992-07-31

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: OY TAMPELLA AB