CA542421A - Hydraulic pit props - Google Patents

Hydraulic pit props

Info

Publication number
CA542421A
CA542421A CA542421A CA542421DA CA542421A CA 542421 A CA542421 A CA 542421A CA 542421 A CA542421 A CA 542421A CA 542421D A CA542421D A CA 542421DA CA 542421 A CA542421 A CA 542421A
Authority
CA
Canada
Prior art keywords
pit props
hydraulic pit
hydraulic
props
pit
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
CA542421A
Other languages
French (fr)
Inventor
G. Sutton Dudley
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.)
Dowty Hydraulic Units Ltd
Original Assignee
Dowty Hydraulic Units Ltd
Publication date
Application granted granted Critical
Publication of CA542421A publication Critical patent/CA542421A/en
Expired legal-status Critical Current

Links

CA542421A Hydraulic pit props Expired CA542421A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA542421T

Publications (1)

Publication Number Publication Date
CA542421A true CA542421A (en) 1957-06-18

Family

ID=35699581

Family Applications (1)

Application Number Title Priority Date Filing Date
CA542421A Expired CA542421A (en) Hydraulic pit props

Country Status (1)

Country Link
CA (1) CA542421A (en)

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