CA105282A - Porte a charbon - Google Patents

Porte a charbon

Info

Publication number
CA105282A
CA105282A CA000105282A CA105282DA CA105282A CA 105282 A CA105282 A CA 105282A CA 000105282 A CA000105282 A CA 000105282A CA 105282D A CA105282D A CA 105282DA CA 105282 A CA105282 A CA 105282A
Authority
CA
Canada
Prior art keywords
coal gate
coal
gate
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
CA000105282A
Other languages
English (en)
Inventor
Frederick E. Priggs
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.)
BRADT FRED C
Original Assignee
BRADT FRED C
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 BRADT FRED C filed Critical BRADT FRED C
Application granted granted Critical
Publication of CA105282A publication Critical patent/CA105282A/fr
Expired legal-status Critical Current

Links

CA000105282A 1907-03-26 1907-03-26 Porte a charbon Expired CA105282A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA105282T 1907-03-26

Publications (1)

Publication Number Publication Date
CA105282A true CA105282A (fr) 1907-05-14

Family

ID=45225010

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000105282A Expired CA105282A (fr) 1907-03-26 1907-03-26 Porte a charbon

Country Status (1)

Country Link
CA (1) CA105282A (fr)

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