CA407937A - Respirator - Google Patents

Respirator

Info

Publication number
CA407937A
CA407937A CA407937A CA407937DA CA407937A CA 407937 A CA407937 A CA 407937A CA 407937 A CA407937 A CA 407937A CA 407937D A CA407937D A CA 407937DA CA 407937 A CA407937 A CA 407937A
Authority
CA
Canada
Prior art keywords
respirator
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
CA407937A
Other languages
French (fr)
Inventor
Herman Terhaar Ferdinand
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA407937A publication Critical patent/CA407937A/en
Expired legal-status Critical Current

Links

CA407937A Respirator Expired CA407937A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA407937T

Publications (1)

Publication Number Publication Date
CA407937A true CA407937A (en) 1942-10-13

Family

ID=35419237

Family Applications (1)

Application Number Title Priority Date Filing Date
CA407937A Expired CA407937A (en) Respirator

Country Status (1)

Country Link
CA (1) CA407937A (en)

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