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1987-05-05
Method of preparing building materials
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1991-01-30
Method of manufacturing cement
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1987-07-29
Production of useful materials
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1986-07-23
Method of manufacturing
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1988-07-13
Method of producing concrete
GB2197005B
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1991-05-15
Building element and method of making same
GB8528414D0
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1985-12-24
Manufacture of building blocks
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1989-02-08
Manufacture of building blocks
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1987-01-26
Method of manufacture of building material
PL260838A1
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1988-05-26
Method of obtaining phosphogypsum building materials
SU1546931A1
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1990-02-28
Method of manufacturing two-subject vario-reproduction
BG40865A1
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1987-03-14
Method for manufacture of building elements
ZA872881B
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1987-11-25
Method for the manufacture of building elements
ZA872606B
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1987-11-25
Method of building
PL268352A2
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1988-09-01
The method of manufacture of building material based on cement
PL248693A2
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1985-05-07
Method of producing ceramic building materials
CS105389A2
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1990-02-12
Method of 4-benzyloxy-3-pyrroline-2-on-1-yl-acetamide production
ZA856091B
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1986-08-27
Method of building
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1989-08-30
Method of building
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1989-05-16
Building material and method of obtaining same
BG40214A1
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1986-11-14
Method for producing radiation- tight building material
CS126086A1
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1989-01-12
Producting method of multicomponent building material
PL256642A2
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1987-01-26
Method of manufacture of building elements form ash-slag mixture
HU194960B
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1994-03-28
Meghod for making bodies preferably building elements of afterhardening material
PL249898A2
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1985-08-13
Method of manufacture of building elements from gypsum with fly-ashes addition