BE580668A - Prefabricated ventilation duct. - Google Patents

Prefabricated ventilation duct.

Info

Publication number
BE580668A
BE580668A BE580668A BE580668A BE580668A BE 580668 A BE580668 A BE 580668A BE 580668 A BE580668 A BE 580668A BE 580668 A BE580668 A BE 580668A BE 580668 A BE580668 A BE 580668A
Authority
BE
Belgium
Prior art keywords
ventilation duct
prefabricated ventilation
prefabricated
duct
ventilation
Prior art date
Application number
BE580668A
Other languages
French (fr)
Inventor
Georges Joseph Louis Travers
Original Assignee
Georges Joseph Louis Travers
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 Georges Joseph Louis Travers filed Critical Georges Joseph Louis Travers
Publication of BE580668A publication Critical patent/BE580668A/en

Links

BE580668A 1958-10-22 1959-07-13 Prefabricated ventilation duct. BE580668A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR777253 1958-10-22

Publications (1)

Publication Number Publication Date
BE580668A true BE580668A (en) 1960-01-13

Family

ID=39579228

Family Applications (1)

Application Number Title Priority Date Filing Date
BE580668A BE580668A (en) 1958-10-22 1959-07-13 Prefabricated ventilation duct.

Country Status (1)

Country Link
BE (1) BE580668A (en)

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