AT197140B - Luftfilter mit austauschbarem Filtereinsatz und akustischem Signalgeber - Google Patents

Luftfilter mit austauschbarem Filtereinsatz und akustischem Signalgeber

Info

Publication number
AT197140B
AT197140B AT197140DA AT197140B AT 197140 B AT197140 B AT 197140B AT 197140D A AT197140D A AT 197140DA AT 197140 B AT197140 B AT 197140B
Authority
AT
Austria
Prior art keywords
acoustic signal
signal transmitter
filter
exchangeable
air filter
Prior art date
Application number
Other languages
English (en)
Inventor
Alfred Knecht
Original Assignee
Alfred Knecht
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 Alfred Knecht filed Critical Alfred Knecht
Application granted granted Critical
Publication of AT197140B publication Critical patent/AT197140B/de

Links

AT197140D 1956-06-22 1957-03-19 Luftfilter mit austauschbarem Filtereinsatz und akustischem Signalgeber AT197140B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE197140X 1956-06-22

Publications (1)

Publication Number Publication Date
AT197140B true AT197140B (de) 1958-04-10

Family

ID=5756214

Family Applications (1)

Application Number Title Priority Date Filing Date
AT197140D AT197140B (de) 1956-06-22 1957-03-19 Luftfilter mit austauschbarem Filtereinsatz und akustischem Signalgeber

Country Status (1)

Country Link
AT (1) AT197140B (de)

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