METHOD OF PNEUMATIC TRANSPORTATION OF LOOSE MATERIALS THROUGH PIPELINE
VORONIN VLADIMIR N,SU, SVISHCHEV BORIS G,SU, SHVAB VENIAMIN A,SU, EGOROV VITALIJ M,SU, KVESKO BRONISLAV B,SU
Year of Publication 15.02.1986
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Year of Publication 15.02.1986
Patent