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Application filed by Zaklady Przemyslu MetalfiledCriticalZaklady Przemyslu Metal
Priority to PL20404878ApriorityCriticalpatent/PL123222B1/pl
Publication of PL204048A1publicationCriticalpatent/PL204048A1/pl
Publication of PL123222B1publicationCriticalpatent/PL123222B1/pl
PL20404878A1978-01-161978-01-16Method of and apparatus for check of strength and tightness of pressure vessels by means of compressed air
PL123222B1
(en)