CA656696A - Props, especially pit props - Google Patents

Props, especially pit props

Info

Publication number
CA656696A
CA656696A CA656696A CA656696DA CA656696A CA 656696 A CA656696 A CA 656696A CA 656696 A CA656696 A CA 656696A CA 656696D A CA656696D A CA 656696DA CA 656696 A CA656696 A CA 656696A
Authority
CA
Canada
Prior art keywords
props
especially pit
pit
pit props
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
CA656696A
Inventor
Heusner Wilhelm
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.)
Hermann Schwarz KG
Original Assignee
Hermann Schwarz KG
Publication date
Application granted granted Critical
Publication of CA656696A publication Critical patent/CA656696A/en
Expired legal-status Critical Current

Links

CA656696A Props, especially pit props Expired CA656696A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA656696T

Publications (1)

Publication Number Publication Date
CA656696A true CA656696A (en) 1963-01-29

Family

ID=35950032

Family Applications (1)

Application Number Title Priority Date Filing Date
CA656696A Expired CA656696A (en) Props, especially pit props

Country Status (1)

Country Link
CA (1) CA656696A (en)

Similar Documents

Publication Publication Date Title
CA661222A (en) Anti-blowout flare
CA656696A (en) Props, especially pit props
CA660906A (en) Hydraulic jack
CA656728A (en) Hydraulic props, particularly pit props
AU296219B2 (en) New n-substituted-3, 5-biiodopyridones
AU291713B2 (en) N-substituted-6, 7-methylenedioxy-4-oxo-3 quinoline-carboxylicacids
AU274953B2 (en) Poly-propeller-jet. aircraft-ship
AU272762B2 (en) Novel 2-phenylamino -4h-5,6-thiazine derivatives
CA673225A (en) Props or jacks
AU4976364A (en) New n-substituted-3, 5-biiodopyridones
CA676598A (en) 4-hydrocarbon-thio-methyl-3-oxo-.delta.4-steroid
CA676599A (en) 4-methyl-3-oxo-.delta.4-steroids
AU5283464A (en) N-substituted-6, 7-methylenedioxy-4-oxo-3 quinoline-carboxylicacids
CA655831A (en) Jack
AU4751064A (en) An improved hydraulic pit prop
CA676995A (en) Shortening
CA676997A (en) Shortening
CA676994A (en) Shortening
AU2726163A (en) Poly-propeller-jet. aircraft-ship
CA668243A (en) Hydraulic pressure-multiplier
CA669024A (en) Holding-device for logs, particularly propeller-logs
AU274547B2 (en) Improved shortening
AU276710B2 (en) Unbalanced d. c. pushbutton-selection method
CA646851A (en) Hydraulic props
CA646852A (en) Hydraulic props