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AU870118A - Improvements in derrick cranes - Google Patents

Improvements in derrick cranes

Info

Publication number
AU870118A
AU870118A AU8701/18A AU870118A AU870118A AU 870118 A AU870118 A AU 870118A AU 8701/18 A AU8701/18 A AU 8701/18A AU 870118 A AU870118 A AU 870118A AU 870118 A AU870118 A AU 870118A
Authority
AU
Australia
Prior art keywords
derrick cranes
derrick
cranes
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
AU8701/18A
Inventor
Hugh Maiden Hbnry
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
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of AU870118A publication Critical patent/AU870118A/en
Expired legal-status Critical Current

Links

AU8701/18A 1918-09-17 Improvements in derrick cranes Expired AU870118A (en)

Publications (1)

Publication Number Publication Date
AU870118A true AU870118A (en) 1919-06-17

Family

ID=

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