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1993-09-08
FIXER FOR CONCRETE USE
DE59406313D1
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1998-07-30
Concrete formwork
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1992-11-03
PROVISION INTRODUCED IN SLAB FOR CIVIL CONSTRUCTION
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1992-05-19
PROVISION INTRODUCED IN BLOCKS FOR CIVIL CONSTRUCTION
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1995-07-24
Rebar spacing for concrete structures
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1994-03-22
PROVISION INTRODUCED IN CONCRETE BLOCK FOR CONTRUCTIONS
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1991-01-15
PROVISION IN CEMENT BLOCK FOR CIVIL CONSTRUCTION
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1993-03-09
COMPOSITIONS FOR USE IN CIVIL CONSTRUCTION
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1987-03-10
BUILT-IN FOR DUCT PASSAGE IN CONCRETE SLABS
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1993-08-31
ARRANGEMENT IN BLOCK FOR CONSTRUCTION
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1995-07-18
New improvements in setting bricks for building construction
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1990-01-02
PROVISION INTRODUCED IN EQUIPMENT FOR DESIGNED CONCRETE
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1990-10-02
IMPROVEMENTS IN MASONRY BLOCKS
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1991-11-19
SLAB TILE FOR GENERAL BUILDINGS
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1992-03-10
PROVISION INTRODUCED IN SLAB
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1990-03-13
PROVISION INTRODUCED IN SLAB
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1989-04-18
PROVISIONS INTRODUCED IN FIXERS FOR CONCRETE
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1992-04-28
PROVISION APPLIED IN FORM FOR CONCRETE AND SIMILAR
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1994-12-06
Plug-in block for civil construction
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1994-08-09
Tile layout for precast slabs
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1993-04-06
CONSTRUCTIVE ARRANGEMENT IN SET OF BLOCKS FOR EXECUTING MASONRY
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1993-01-05
MODULAR BLOCKS FOR PERFORMING CIVIL CONSTRUCTION WORKS
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1998-07-21
Provision introduced in grapple for masons
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1991-10-22
PROVISION INTRODUCED IN PREFABRICATED PANELS FOR CONSTRUCTIONS IN GENERAL
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1990-04-03
Rebar type frame for slab construction