CA145567A - Appareil a ventiler les mines - Google Patents

Appareil a ventiler les mines

Info

Publication number
CA145567A
CA145567A CA000145567A CA145567DA CA145567A CA 145567 A CA145567 A CA 145567A CA 000145567 A CA000145567 A CA 000145567A CA 145567D A CA145567D A CA 145567DA CA 145567 A CA145567 A CA 145567A
Authority
CA
Canada
Prior art keywords
ventilating apparatus
mine ventilating
mine
ventilating
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
CA000145567A
Other languages
English (en)
Inventor
William Clifford
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 CA145567A publication Critical patent/CA145567A/fr
Expired legal-status Critical Current

Links

CA000145567A 1912-01-02 1912-01-02 Appareil a ventiler les mines Expired CA145567A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA145567T 1912-01-02

Publications (1)

Publication Number Publication Date
CA145567A true CA145567A (fr) 1913-01-28

Family

ID=45265282

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000145567A Expired CA145567A (fr) 1912-01-02 1912-01-02 Appareil a ventiler les mines

Country Status (1)

Country Link
CA (1) CA145567A (fr)

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