FR526207A - Extraction device applicable in mines - Google Patents

Extraction device applicable in mines

Info

Publication number
FR526207A
FR526207A FR526207A FR526207DA FR526207A FR 526207 A FR526207 A FR 526207A FR 526207 A FR526207 A FR 526207A FR 526207D A FR526207D A FR 526207DA FR 526207 A FR526207 A FR 526207A
Authority
FR
France
Prior art keywords
mines
extraction device
device applicable
applicable
extraction
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
FR526207A
Other languages
French (fr)
Inventor
Francois-Joseph-Bart Berry
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.)
FRANCOIS JOSEPH BARTHELEMY BER
Original Assignee
FRANCOIS JOSEPH BARTHELEMY BER
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 FRANCOIS JOSEPH BARTHELEMY BER filed Critical FRANCOIS JOSEPH BARTHELEMY BER
Application granted granted Critical
Publication of FR526207A publication Critical patent/FR526207A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B17/00Hoistway equipment
    • B66B17/34Safe lift clips; Keps
FR526207A 1920-10-18 1920-10-18 Extraction device applicable in mines Expired FR526207A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR526207T 1920-10-18

Publications (1)

Publication Number Publication Date
FR526207A true FR526207A (en) 1921-10-05

Family

ID=8920591

Family Applications (1)

Application Number Title Priority Date Filing Date
FR526207A Expired FR526207A (en) 1920-10-18 1920-10-18 Extraction device applicable in mines

Country Status (1)

Country Link
FR (1) FR526207A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3759349A (en) * 1972-03-13 1973-09-18 Otis Elevator Co Elevator system with temporary hoistway structure and method for use thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3759349A (en) * 1972-03-13 1973-09-18 Otis Elevator Co Elevator system with temporary hoistway structure and method for use thereof

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