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Application filed by Zdzislaw ZacharjaszfiledCriticalZdzislaw Zacharjasz
Priority to PL30033693ApriorityCriticalpatent/PL300336A1/en
Publication of PL300336A1publicationCriticalpatent/PL300336A1/en
PL30033693A1993-09-081993-09-08Method of making basalt building and paving blocks and basalt building and paving blocks obtained thereby
PL300336A1
(en)