CA542776A - Breathing apparatus slide valve - Google Patents

Breathing apparatus slide valve

Info

Publication number
CA542776A
CA542776A CA542776A CA542776DA CA542776A CA 542776 A CA542776 A CA 542776A CA 542776 A CA542776 A CA 542776A CA 542776D A CA542776D A CA 542776DA CA 542776 A CA542776 A CA 542776A
Authority
CA
Canada
Prior art keywords
slide valve
breathing apparatus
apparatus slide
breathing
valve
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
CA542776A
Other languages
French (fr)
Inventor
C. Hamilton William
Bub Frank
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 CA542776A publication Critical patent/CA542776A/en
Expired legal-status Critical Current

Links

CA542776A Breathing apparatus slide valve Expired CA542776A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA542776T

Publications (1)

Publication Number Publication Date
CA542776A true CA542776A (en) 1957-06-25

Family

ID=35699935

Family Applications (1)

Application Number Title Priority Date Filing Date
CA542776A Expired CA542776A (en) Breathing apparatus slide valve

Country Status (1)

Country Link
CA (1) CA542776A (en)

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