CA79497A - Appareil pour ventiler les mines - Google Patents

Appareil pour ventiler les mines

Info

Publication number
CA79497A
CA79497A CA000079497A CA79497DA CA79497A CA 79497 A CA79497 A CA 79497A CA 000079497 A CA000079497 A CA 000079497A CA 79497D A CA79497D A CA 79497DA CA 79497 A CA79497 A CA 79497A
Authority
CA
Canada
Prior art keywords
ventilating mines
mines
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
CA000079497A
Other languages
English (en)
Inventor
Joseph Neal
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 CA79497A publication Critical patent/CA79497A/fr
Expired legal-status Critical Current

Links

CA000079497A 1902-03-20 1902-03-20 Appareil pour ventiler les mines Expired CA79497A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA79497T 1902-03-20

Publications (1)

Publication Number Publication Date
CA79497A true CA79497A (fr) 1903-03-03

Family

ID=45196033

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000079497A Expired CA79497A (fr) 1902-03-20 1902-03-20 Appareil pour ventiler les mines

Country Status (1)

Country Link
CA (1) CA79497A (fr)

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