CA108713A - Coal mining machinery - Google Patents

Coal mining machinery

Info

Publication number
CA108713A
CA108713A CA000108713A CA108713DA CA108713A CA 108713 A CA108713 A CA 108713A CA 000108713 A CA000108713 A CA 000108713A CA 108713D A CA108713D A CA 108713DA CA 108713 A CA108713 A CA 108713A
Authority
CA
Canada
Prior art keywords
coal mining
mining machinery
machinery
coal
mining
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
CA000108713A
Other languages
French (fr)
Inventor
Arthur Henry Gibson
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Application granted granted Critical
Publication of CA108713A publication Critical patent/CA108713A/en
Expired legal-status Critical Current

Links

CA000108713A 1907-07-13 1907-07-13 Coal mining machinery Expired CA108713A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA108713T 1907-07-13

Publications (1)

Publication Number Publication Date
CA108713A true CA108713A (en) 1907-11-26

Family

ID=45228439

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000108713A Expired CA108713A (en) 1907-07-13 1907-07-13 Coal mining machinery

Country Status (1)

Country Link
CA (1) CA108713A (en)

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