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AU253306B2 - Improvements in or relating to automatic friction drop hammers - Google Patents
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AU253306B2 - Improvements in or relating to automatic friction drop hammers - Google Patents

Improvements in or relating to automatic friction drop hammers

Info

Publication number
AU253306B2
AU253306B2 AU13011/62A AU1301162A AU253306B2 AU 253306 B2 AU253306 B2 AU 253306B2 AU 13011/62 A AU13011/62 A AU 13011/62A AU 1301162 A AU1301162 A AU 1301162A AU 253306 B2 AU253306 B2 AU 253306B2
Authority
AU
Australia
Prior art keywords
relating
automatic friction
drop hammers
friction drop
hammers
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
AU13011/62A
Other versions
AU1301162A (en
Inventor
Wraith Wells and Bernard Middleton Lionel
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.)
B & S Massey Ltd And Lionel Wraith Wells And Bernard Middleton
Original Assignee
B & S Massey Ltd And Lionel Wraith Wells And Bernard Middleton
Filing date
Publication date
Application filed by B & S Massey Ltd And Lionel Wraith Wells And Bernard Middleton filed Critical B & S Massey Ltd And Lionel Wraith Wells And Bernard Middleton
Application granted granted Critical
Publication of AU253306B2 publication Critical patent/AU253306B2/en
Publication of AU1301162A publication Critical patent/AU1301162A/en
Expired legal-status Critical Current

Links

AU13011/62A 1962-01-04 Improvements in or relating to automatic friction drop hammers Expired AU253306B2 (en)

Publications (2)

Publication Number Publication Date
AU253306B2 true AU253306B2 (en) 1963-07-04
AU1301162A AU1301162A (en) 1963-07-04

Family

ID=

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