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AU253305B2 - Improvements in or relating to automatic friction drop hammers - Google Patents
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AU253305B2 - Improvements in or relating to automatic friction drop hammers - Google Patents

Improvements in or relating to automatic friction drop hammers

Info

Publication number
AU253305B2
AU253305B2 AU13010/62A AU1301062A AU253305B2 AU 253305 B2 AU253305 B2 AU 253305B2 AU 13010/62 A AU13010/62 A AU 13010/62A AU 1301062 A AU1301062 A AU 1301062A AU 253305 B2 AU253305 B2 AU 253305B2
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
AU13010/62A
Other versions
AU1301062A (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 6 S Massey Ltd And Lionel Wraith Wells And Bernard Middleton
Original Assignee
B 6 S Massey Ltd And Lionel Wraith Wells And Bernard Middleton
Filing date
Publication date
Application filed by B 6 S Massey Ltd And Lionel Wraith Wells And Bernard Middleton filed Critical B 6 S Massey Ltd And Lionel Wraith Wells And Bernard Middleton
Application granted granted Critical
Publication of AU253305B2 publication Critical patent/AU253305B2/en
Publication of AU1301062A publication Critical patent/AU1301062A/en
Expired legal-status Critical Current

Links

AU13010/62A 1962-01-04 Improvements in or relating to automatic friction drop hammers Expired AU253305B2 (en)

Publications (2)

Publication Number Publication Date
AU253305B2 true AU253305B2 (en) 1963-07-04
AU1301062A AU1301062A (en) 1963-07-04

Family

ID=

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