CA895117A - Respiration-protection mask with exhaling-valve antechamber and voice diaphragm - Google Patents

Respiration-protection mask with exhaling-valve antechamber and voice diaphragm

Info

Publication number
CA895117A
CA895117A CA895117A CA895117DA CA895117A CA 895117 A CA895117 A CA 895117A CA 895117 A CA895117 A CA 895117A CA 895117D A CA895117D A CA 895117DA CA 895117 A CA895117 A CA 895117A
Authority
CA
Canada
Prior art keywords
exhaling
respiration
protection mask
voice diaphragm
valve antechamber
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA895117A
Inventor
Warncke Ernst
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Draegerwerk AG and Co KGaA
Original Assignee
Draegerwerk AG and Co KGaA
Publication date
Application granted granted Critical
Publication of CA895117A publication Critical patent/CA895117A/en
Expired legal-status Critical Current

Links

CA895117A Respiration-protection mask with exhaling-valve antechamber and voice diaphragm Expired CA895117A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA895117T

Publications (1)

Publication Number Publication Date
CA895117A true CA895117A (en) 1972-03-14

Family

ID=36401113

Family Applications (1)

Application Number Title Priority Date Filing Date
CA895117A Expired CA895117A (en) Respiration-protection mask with exhaling-valve antechamber and voice diaphragm

Country Status (1)

Country Link
CA (1) CA895117A (en)

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