AU152244B2
(en )
1951-05-10
Improvements in centrifugated concrete piles
AU130651A
(en )
1951-05-10
Improvements in centrifugated concrete piles
CA465358A
(en )
1950-05-23
Pile construction
CA471703A
(en )
1951-02-27
Concrete construction
AU155966B2
(en )
1995-09-06
Improvements in and relating to in-situ concrete piles
CA479089A
(en )
1951-12-04
Ground anchors
AU363851A
(en )
1995-09-06
Improvements in and relating to in-situ concrete piles
AU149016B2
(en )
1952-01-24
Improvements in earth augers
AU152245B2
(en )
1951-06-07
Improvements in Electrode Structures
AU159214B2
(en )
1951-04-12
Improvements in manhole covers
AU159172B2
(en )
1951-07-05
Improvements in concrete casings andthe manufacture thereof
CA477734A
(en )
1951-10-16
Concrete forms
AU150861B2
(en )
1951-12-13
Improvements in devices for use in concrete construction
CA470113A
(en )
1950-12-19
Piles
AU153887B2
(en )
1951-04-05
Improvements in or relating to concrete blocks
CA470895A
(en )
1951-01-16
Earth compactors
AU38451A
(en )
1952-01-24
Improvements in earth augers
AU158006B2
(en )
1951-10-25
Improvements in cement arid 1 concrete building-materials
AU148975B2
(en )
1951-08-30
Improvements in master-cylinders
AU153507B2
(en )
1952-01-10
Improvements in handtrucks
AU184251A
(en )
1951-06-07
Improvements in Electrode Structures
AU68151A
(en )
1951-04-12
Improvements in manhole covers
AU235651A
(en )
1951-07-05
Improvements in concrete casings andthe manufacture thereof
AU551851A
(en )
1951-12-13
Improvements in devices for use in concrete construction
AU149708B2
(en )
1951-05-10
Improvements in jacks