CA81663A - Gas detector for mines - Google Patents

Gas detector for mines

Info

Publication number
CA81663A
CA81663A CA000081663A CA81663DA CA81663A CA 81663 A CA81663 A CA 81663A CA 000081663 A CA000081663 A CA 000081663A CA 81663D A CA81663D A CA 81663DA CA 81663 A CA81663 A CA 81663A
Authority
CA
Canada
Prior art keywords
mines
gas detector
detector
gas
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
CA000081663A
Other languages
French (fr)
Inventor
Matthew D. Mackie
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA81663A publication Critical patent/CA81663A/en
Expired legal-status Critical Current

Links

CA000081663A 1903-02-09 1903-02-09 Gas detector for mines Expired CA81663A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA81663T 1903-02-09

Publications (1)

Publication Number Publication Date
CA81663A true CA81663A (en) 1903-06-30

Family

ID=45198199

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000081663A Expired CA81663A (en) 1903-02-09 1903-02-09 Gas detector for mines

Country Status (1)

Country Link
CA (1) CA81663A (en)

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