AU440739B2 - Improvement in ball valves - Google Patents

Improvement in ball valves

Info

Publication number
AU440739B2
AU440739B2 AU65048/69A AU6504869A AU440739B2 AU 440739 B2 AU440739 B2 AU 440739B2 AU 65048/69 A AU65048/69 A AU 65048/69A AU 6504869 A AU6504869 A AU 6504869A AU 440739 B2 AU440739 B2 AU 440739B2
Authority
AU
Australia
Prior art keywords
improvement
ball valves
valves
ball
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
AU65048/69A
Other versions
AU6504869A (en
Inventor
H. Grauer Oscar
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.)
Fischer and Porter Pty Ltd
Original Assignee
Fischer and Porter Pty Ltd
Filing date
Publication date
Application filed by Fischer and Porter Pty Ltd filed Critical Fischer and Porter Pty Ltd
Application granted granted Critical
Publication of AU6504869A publication Critical patent/AU6504869A/en
Publication of AU440739B2 publication Critical patent/AU440739B2/en
Expired legal-status Critical Current

Links

AU65048/69A 1969-12-10 Improvement in ball valves Expired AU440739B2 (en)

Publications (2)

Publication Number Publication Date
AU6504869A AU6504869A (en) 1971-06-17
AU440739B2 true AU440739B2 (en) 1971-06-17

Family

ID=

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