CH81878A
(en )
1919-08-01
Manhole made of reinforced concrete
FR497791A
(en )
1919-12-17
Improvements to reinforced cement construction
FR498315A
(en )
1920-01-08
Reinforced concrete piles
FR526468A
(en )
1921-10-08
Reinforced concrete pipe
FR501821A
(en )
1920-04-27
Reinforced concrete slabs
FR21382E
(en )
1920-09-11
Reinforced cement construction
FR536211A
(en )
1922-04-28
Method of constructing reinforced concrete pipes
FR497071A
(en )
1919-11-25
Improvements made to reinforced concrete constructions
FR510880A
(en )
1920-12-13
Improvements made to reinforced concrete constructions
FI8113A
(en )
1920-08-13
For reinforcement of reinforced concrete roofs
FR23012E
(en )
1921-09-20
Formwork facing for concrete structures
AT95746B
(en )
1924-01-25
Machine housing made of reinforced concrete.
FR507725A
(en )
1920-09-22
Reinforced cement posts
FR506828A
(en )
1920-08-31
Improvements to reinforced concrete constructions
FR541213A
(en )
1922-07-25
Improvements to reinforced cement constructions
FR529316A
(en )
1921-11-26
Reinforced cement tank barge
FR496010A
(en )
1919-10-24
Improvements to reinforced concrete floors
FR514134A
(en )
1921-03-03
Formwork for reinforced concrete floors
FR528638A
(en )
1921-11-15
Improvements to reinforced cement constructions
FR507228A
(en )
1920-09-08
Reinforced cement tank trailer
FR589249A
(en )
1925-05-25
Reinforced concrete construction
FR540165A
(en )
1922-07-07
Reinforced concrete fence
DK26347C
(en )
1920-07-26
Reinforced Concrete Structures.
FR508838A
(en )
1920-10-25
Improvements made to reinforced cement beams
FR548860A
(en )
1923-01-27
Reinforced cement concrete pillars