FI31807A - Ventilator valve on paper or plastic material with an unrestricted, medium-sized material body - Google Patents

Ventilator valve on paper or plastic material with an unrestricted, medium-sized material body

Info

Publication number
FI31807A
FI31807A FI31807DA FI31807A FI 31807 A FI31807 A FI 31807A FI 31807D A FI31807D A FI 31807DA FI 31807 A FI31807 A FI 31807A
Authority
FI
Finland
Prior art keywords
unrestricted
paper
medium
plastic material
ventilator valve
Prior art date
Application number
Other languages
Finnish (fi)
Inventor
Dingerling Walter
Arenbeck Helmut
Original Assignee
Natronzellstoff U Papierfabrik
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 Natronzellstoff U Papierfabrik filed Critical Natronzellstoff U Papierfabrik
Publication of FI31807A publication Critical patent/FI31807A/en

Links

FI31807D 1959-01-07 1959-01-07 Ventilator valve on paper or plastic material with an unrestricted, medium-sized material body FI31807A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI31807T 1959-01-07

Publications (1)

Publication Number Publication Date
FI31807A true FI31807A (en) 1961-05-10

Family

ID=36896020

Family Applications (1)

Application Number Title Priority Date Filing Date
FI31807D FI31807A (en) 1959-01-07 1959-01-07 Ventilator valve on paper or plastic material with an unrestricted, medium-sized material body

Country Status (1)

Country Link
FI (1) FI31807A (en)

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