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发明名称
WERKWIJZE VOOR DE VERVAARDIGING VAN EEN SCHADUWMASKER.
摘要
申请公布号
NL181217(C)
申请公布日期
1989.03.16
申请号
NL19790007629
申请日期
1979.10.16
申请人
NISSHIN STEEL CO., LTD. EN DAI NIPPON PRINTING CO., LIMITED BEIDE TE TOKIO, JAPAN.
发明人
分类号
B21B1/22;C21D8/02;C21D9/46;C23F1/00;H01J9/14;(IPC1-7):C21D8/02
主分类号
B21B1/22
代理机构
代理人
主权项
地址
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