FI44450C - Ansiktsmask av filtertyp - Google Patents

Ansiktsmask av filtertyp

Info

Publication number
FI44450C
FI44450C FI44450DA FI44450C FI 44450 C FI44450 C FI 44450C FI 44450D A FI44450D A FI 44450DA FI 44450 C FI44450 C FI 44450C
Authority
FI
Finland
Prior art keywords
filtertyp
ansiktsmask
Prior art date
Application number
Other languages
English (en)
Inventor
Westberg Walter Monson
Carey Jr Patrick Howard
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Application granted granted Critical
Publication of FI44450C publication Critical patent/FI44450C/fi

Links

FI44450D 1962-02-23 1962-02-23 Ansiktsmask av filtertyp FI44450C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI44450T 1962-02-23

Publications (1)

Publication Number Publication Date
FI44450C true FI44450C (fi) 1971-11-10

Family

ID=36905556

Family Applications (1)

Application Number Title Priority Date Filing Date
FI44450D FI44450C (fi) 1962-02-23 1962-02-23 Ansiktsmask av filtertyp

Country Status (1)

Country Link
FI (1) FI44450C (fi)

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