申请人 |
UNITED TECHNOLOGY CORPORATION PRATT & WHITNEY;INTERNATIONAL CENTER FOR ELECTRON BEAM TECHNOLOGIES OF E.O. PATON ELECTRIC WELDING INSTITUTE;TOPAL, VALERY I.;BELYAVIN, ALEXANDR F.;BRATUS, VASILY JA. |
发明人 |
TOPAL, VALERY I.;BELYAVIN, ALEXANDR F.;BRATUS, VASILY JA. |