REMOVING ASH DEPOSITS FROM BOILER HEATING SURFACE
INGERMA AUGUST I,SU, NAGLAND YULO P,SU, OTS ARVO A,SU, SUURKUUSK TYNU N,SU, BETMANOVA SVETLANA A,SU, YAKUTOV VLADIMIR V,SU, SIJRDE ANDRES E,SU, SIJG ENDEL M,SU, TALLERMO KHARRI I,SU, SOLOVEJ ALEKSANDR G,SU
Year of Publication 30.10.1989
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Year of Publication 30.10.1989
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HAMMER CRUSHER
NAGLAND YULO P,SU, LEVIT GRIGORIJ T,SU, VEKSLER FELIKS M,SU, MAAREND YAAK A,SU, SHURAVIN ANDREJ K,SU, DUDOROV YURIJ D,SU, SEMENOV ANDREJ N,SU, YAKOVLEV LEONID P,SU
Year of Publication 30.05.1988
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Year of Publication 30.05.1988
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