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1999-06-30
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1998-02-04
Modular precast wall system with mortar joints
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Basic building blocks for constructing complex building structures
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1994-01-19
Concrete wall construction
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1997-09-10
Concrete wall formwork
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1997-10-22
Cavity wall building construction
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1996-03-25
The construction of precast concrete walls
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1998-08-24
Method of erecting poured concrete walls
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1996-10-02
Reinforcing masonry structures
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1998-08-26
Hollow concrete block for building walls and wall built with such concrete blocks
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1994-06-15
Improved concrete structure
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1999-11-08
Precast concrete unit
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1998-09-28
Sepulchre made of precast concrete units
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1995-12-08
Poured concrete construction
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1997-07-21
Sepulchrate made of precast concrete units
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1993-04-16
Precast concrete wall unit
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1993-04-16
Precast concrete wall unit
AU116798S
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1993-04-16
Precast concrete wall unit
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1993-04-16
Precast concrete wall unit
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1993-04-16
Precast concrete wall unit
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1993-04-16
Precast concrete wall unit
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1996-03-04
Foundation part especially that of reinforced concrete
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1996-01-31
Concrete brick
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2000-02-01
Improvement of the concrete culvert
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1994-11-16
Precast building block