CA139401A - Etancon de mines - Google Patents

Etancon de mines

Info

Publication number
CA139401A
CA139401A CA000139401A CA139401DA CA139401A CA 139401 A CA139401 A CA 139401A CA 000139401 A CA000139401 A CA 000139401A CA 139401D A CA139401D A CA 139401DA CA 139401 A CA139401 A CA 139401A
Authority
CA
Canada
Prior art keywords
mining prop
prop
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
CA000139401A
Other languages
English (en)
Inventor
Frederich Nellen
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 CA139401A publication Critical patent/CA139401A/fr
Expired legal-status Critical Current

Links

CA000139401A 1912-02-12 1912-02-12 Etancon de mines Expired CA139401A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA139401T 1912-02-12

Publications (1)

Publication Number Publication Date
CA139401A true CA139401A (fr) 1912-03-26

Family

ID=45259117

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000139401A Expired CA139401A (fr) 1912-02-12 1912-02-12 Etancon de mines

Country Status (1)

Country Link
CA (1) CA139401A (fr)

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