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ATE9506T1 - DEVICE FOR EXTENSION OF AN AIR DUCT. - Google Patents

DEVICE FOR EXTENSION OF AN AIR DUCT.

Info

Publication number
ATE9506T1
ATE9506T1 AT81108020T AT81108020T ATE9506T1 AT E9506 T1 ATE9506 T1 AT E9506T1 AT 81108020 T AT81108020 T AT 81108020T AT 81108020 T AT81108020 T AT 81108020T AT E9506 T1 ATE9506 T1 AT E9506T1
Authority
AT
Austria
Prior art keywords
extension
air duct
duct
air
Prior art date
Application number
AT81108020T
Other languages
German (de)
Inventor
Hans Christensen
Guenter Block
Alfred Mittelkoetter
Paul Schlaeger
Original Assignee
Maschinenfabrik Korfmann Gmbh
Ruhrkohle Aktiengesellschaft
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
Priority claimed from DE19813119813 external-priority patent/DE3119813A1/en
Application filed by Maschinenfabrik Korfmann Gmbh, Ruhrkohle Aktiengesellschaft filed Critical Maschinenfabrik Korfmann Gmbh
Application granted granted Critical
Publication of ATE9506T1 publication Critical patent/ATE9506T1/en

Links

AT81108020T 1980-10-23 1981-10-07 DEVICE FOR EXTENSION OF AN AIR DUCT. ATE9506T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3040056 1980-10-23
DE19813119813 DE3119813A1 (en) 1980-10-23 1981-05-19 DEVICE FOR EXTENDING A LUTTENLINE
EP81108020A EP0050760B1 (en) 1980-10-23 1981-10-07 Device for elongating a ventilating tubing

Publications (1)

Publication Number Publication Date
ATE9506T1 true ATE9506T1 (en) 1984-10-15

Family

ID=27188930

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81108020T ATE9506T1 (en) 1980-10-23 1981-10-07 DEVICE FOR EXTENSION OF AN AIR DUCT.

Country Status (1)

Country Link
AT (1) ATE9506T1 (en)

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee