CUTTER-LOADER
ALFRED TSITTS,OE, KHERBERT OMERMAJER,OE, ZIGFRID ZIGOT,OE, KHUBERT SHVELBERGER,OE
Year of Publication 30.01.1979
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Year of Publication 30.01.1979
Patent
MINING MACHINE ENGINE COOLING SYSTEM
ALFRED TSITTS,OE, ARNOLD DECH,OE, ZIGFRID ZIGOTT,OE, KHUBERT SHVELBERGER,OE
Year of Publication 30.05.1978
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Year of Publication 30.05.1978
Patent