MANUFACTURING METHOD OF HIGH TENSION, HIGH TOUGHNESS STEEL
KANBAYASHI G,JA, WADA K,JA, ISHIZAKI K,JA, SEKINE H,JA, WATANABE H,JA, KAWANO T,JA, GONDO H,JA, MARUYAMA T,JA
Year of Publication 19.11.1974
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Year of Publication 19.11.1974
Patent