CA557365A - Respiratory masks - Google Patents

Respiratory masks

Info

Publication number
CA557365A
CA557365A CA557365A CA557365DA CA557365A CA 557365 A CA557365 A CA 557365A CA 557365 A CA557365 A CA 557365A CA 557365D A CA557365D A CA 557365DA CA 557365 A CA557365 A CA 557365A
Authority
CA
Canada
Prior art keywords
respiratory masks
masks
respiratory
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
CA557365A
Other languages
French (fr)
Inventor
G. Bloomfield Herbert
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.)
Martindale Electric Co Ltd
Original Assignee
Martindale Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA557365A publication Critical patent/CA557365A/en
Expired legal-status Critical Current

Links

CA557365A Respiratory masks Expired CA557365A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA557365T

Publications (1)

Publication Number Publication Date
CA557365A true CA557365A (en) 1958-05-13

Family

ID=35723770

Family Applications (1)

Application Number Title Priority Date Filing Date
CA557365A Expired CA557365A (en) Respiratory masks

Country Status (1)

Country Link
CA (1) CA557365A (en)

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