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经营范围
发明名称
PROCEDIMENTO DI FUSIONE AD ARCO SOTTO VUOTO
摘要
申请公布号
IT8349417(D0)
申请公布日期
1983.12.01
申请号
IT19830049417
申请日期
1983.12.01
申请人
WENTZELL JOSEPH M.
发明人
WENTZELL JOSEPH M.
分类号
C25D9/04;C22B9/00;C22B9/20;F27D7/06;F27D25/00;(IPC1-7):C22C/
主分类号
C25D9/04
代理机构
代理人
主权项
地址
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