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Year of Publication 23.11.1980
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APPARATUS FOR HYDRAULIC INSULATION OF TUBING ROOF SUPPORT SEAMS
LITINSKIJ YURIJ V,SU, PETROV VLADIMIR I,SU, KARYAGIN MIKHAIL V,SU, PALENOV VYACHESLAV M,SU
Year of Publication 15.06.1983
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Year of Publication 15.06.1983
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FILLING PIPELINE CHANGEOVER SWITCH
PETROV VLADIMIR I,SU, DUVALOV VYACHESLAV A,SU, KARYAGIN MIKHAIL V,SU, KOZHIN YURIJ P,SU
Year of Publication 30.03.1982
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Year of Publication 30.03.1982
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