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发明名称
Verfahren zur Oberflächenveredelung metallischer Werkstücke
摘要
申请公布号
AT172350(B)
申请公布日期
1952.08.25
申请号
ATD172350
申请日期
1945.12.05
申请人
DR. FRANZ HALLA;DR. RODERICH WEIL
发明人
DR. FRANZ HALLA;DR. RODERICH WEIL
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