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发明名称
UN NUEVO PROCEDIMIENTO PARA LA FABRICACIoN DE PERLAS ARTIFICIALES
摘要
申请公布号
ES235975(A2)
申请公布日期
1957.09.16
申请号
ES19750002359
申请日期
1957.06.11
申请人
PEREZ FA, FRANCISCO
发明人
分类号
(IPC1-7):C03
主分类号
(IPC1-7):C03
代理机构
代理人
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地址
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