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发明名称
PROCEDIMIENTO PARA HACER UN GRABADO METALICO EN RELIEVE.
摘要
申请公布号
ES354318(A1)
申请公布日期
1969.11.16
申请号
ES19180003543
申请日期
1968.05.25
申请人
TEEG RESEARCH, INC.
发明人
分类号
B44B;(IPC1-7):44B/
主分类号
B44B
代理机构
代理人
主权项
地址
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