CH9133A - Respirator mask - Google Patents

Respirator mask

Info

Publication number
CH9133A
CH9133A CH9133A CH9133DA CH9133A CH 9133 A CH9133 A CH 9133A CH 9133 A CH9133 A CH 9133A CH 9133D A CH9133D A CH 9133DA CH 9133 A CH9133 A CH 9133A
Authority
CH
Switzerland
Prior art keywords
respirator mask
respirator
mask
Prior art date
Application number
CH9133A
Other languages
French (fr)
Inventor
Docteur Detourbe Felix
Original Assignee
Docteur Detourbe Felix
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 Docteur Detourbe Felix filed Critical Docteur Detourbe Felix
Publication of CH9133A publication Critical patent/CH9133A/en

Links

CH9133A 1894-08-31 1894-08-31 Respirator mask CH9133A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH9133T 1894-08-31

Publications (1)

Publication Number Publication Date
CH9133A true CH9133A (en) 1895-03-31

Family

ID=4198079

Family Applications (1)

Application Number Title Priority Date Filing Date
CH9133A CH9133A (en) 1894-08-31 1894-08-31 Respirator mask

Country Status (1)

Country Link
CH (1) CH9133A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0109514A1 (en) * 1982-11-08 1984-05-30 American Optical Corporation Improved single-element filter and respirator
DE102020002407A1 (en) 2020-04-22 2021-10-28 Fritz Wiehofsky Respiratory protection mask - permanently reusable, particle-filtering half mask in accordance with European standard EN 149: 2001 + A1: 2009, at least protection class FFP2

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0109514A1 (en) * 1982-11-08 1984-05-30 American Optical Corporation Improved single-element filter and respirator
DE102020002407A1 (en) 2020-04-22 2021-10-28 Fritz Wiehofsky Respiratory protection mask - permanently reusable, particle-filtering half mask in accordance with European standard EN 149: 2001 + A1: 2009, at least protection class FFP2

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