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(en )
1925-10-20
Improvements in and connected with pipe joints and connections
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(en )
1925-06-05
Improvements in and connected with pipe joints and connections
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1926-02-23
Improvements in or connected with electrically welded pipes
CA255061A
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1925-11-03
Cast pipe and joint
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(en )
1926-07-06
Improvements in or relating to rigid joints, pipes and their manufacture
CA249926A
(en )
1925-05-19
Joint between pipes and flanges
AU1433420A
(en )
1921-02-01
Improvements in and connected with pipe joints
AU1453320A
(en )
1921-03-01
Improvements in and connected with pipe joints
AU2338925A
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1925-12-15
Improvements in and connected with excavators
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1927-07-05
Improvements in and connected with multipicture cameras
CA251515A
(en )
1925-07-07
Pipe joint
CA246190A
(en )
1925-01-20
Pipe joint
AU2447330A
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1930-07-29
Improvements in pipe joints
AU2188129A
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1930-02-04
Improvements in and relating to pipe joints
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1926-02-23
Improvements in and connected with piles
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1925-06-30
Hose and half hose
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1925-11-24
Improvements in or connected with self-driving apparatus
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1926-03-30
Improvements in adjustable couplings
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1929-04-09
Improvements in pipe couplings and analogous unions
AU348226A
(en )
1927-08-30
Improvements in and connected with latches
CA255096A
(en )
1925-11-03
Pipe cleaner and reamer
CA251412A
(en )
1925-07-07
Rotatable pipe joint
CA262696A
(en )
1926-07-20
Clip and coupling
AU2607525A
(en )
1926-12-31
Improvements in and relating to concrete pipes
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(en )
1925-10-27
Improvements in and connected with gates