CA572577A - Oxygen indicating apparatus - Google Patents

Oxygen indicating apparatus

Info

Publication number
CA572577A
CA572577A CA572577A CA572577DA CA572577A CA 572577 A CA572577 A CA 572577A CA 572577 A CA572577 A CA 572577A CA 572577D A CA572577D A CA 572577DA CA 572577 A CA572577 A CA 572577A
Authority
CA
Canada
Prior art keywords
indicating apparatus
oxygen indicating
oxygen
indicating
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
CA572577A
Other languages
French (fr)
Inventor
P. Strange John
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.)
MSA Safety Inc
Original Assignee
Mine Safety Appliances Co
Publication date
Application granted granted Critical
Publication of CA572577A publication Critical patent/CA572577A/en
Expired legal-status Critical Current

Links

CA572577A Oxygen indicating apparatus Expired CA572577A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA572577T

Publications (1)

Publication Number Publication Date
CA572577A true CA572577A (en) 1959-03-17

Family

ID=35748415

Family Applications (1)

Application Number Title Priority Date Filing Date
CA572577A Expired CA572577A (en) Oxygen indicating apparatus

Country Status (1)

Country Link
CA (1) CA572577A (en)

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