CA613774A - Method and apparatus for detecting minute concentrations of gases and vapors - Google Patents

Method and apparatus for detecting minute concentrations of gases and vapors

Info

Publication number
CA613774A
CA613774A CA613774A CA613774DA CA613774A CA 613774 A CA613774 A CA 613774A CA 613774 A CA613774 A CA 613774A CA 613774D A CA613774D A CA 613774DA CA 613774 A CA613774 A CA 613774A
Authority
CA
Canada
Prior art keywords
vapors
gases
detecting minute
minute concentrations
concentrations
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
CA613774A
Inventor
A. Morris Robert
Von Heine-Geldern Robert
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 CA613774A publication Critical patent/CA613774A/en
Expired legal-status Critical Current

Links

CA613774A Method and apparatus for detecting minute concentrations of gases and vapors Expired CA613774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA613774T

Publications (1)

Publication Number Publication Date
CA613774A true CA613774A (en) 1961-01-31

Family

ID=35856091

Family Applications (1)

Application Number Title Priority Date Filing Date
CA613774A Expired CA613774A (en) Method and apparatus for detecting minute concentrations of gases and vapors

Country Status (1)

Country Link
CA (1) CA613774A (en)

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