ES28343A1 -
A procedure for the preparation of sands in order to be used for the manufacture of bricks and other artificial sandstone products based on silicates.
- Google Patents
A procedure for the preparation of sands in order to be used for the manufacture of bricks and other artificial sandstone products based on silicates.
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Individual
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Individual
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ES28343A1901-08-101901-08-10
A procedure for the preparation of sands in order to be used for the manufacture of bricks and other artificial sandstone products based on silicates.
ExpiredES28343A1
(en)