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Application filed by Mintex Sp Z OofiledCriticalMintex Sp Z Oo
Priority to PL34010200ApriorityCriticalpatent/PL340102A1/en
Publication of PL340102A1publicationCriticalpatent/PL340102A1/en
PL34010200A2000-05-102000-05-10Method of increasing stability of dog headings roof supports and dog heading roof supports of increased stability
PL340102A1
(en)