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发明名称
Dispositivo de seguridad para tapones con armadura de resorte.
摘要
申请公布号
ES9407(U)
申请公布日期
1944.05.01
申请号
ES19070000094U
申请日期
1943.10.21
申请人
PIERA SERIS, JUAN
发明人
分类号
主分类号
代理机构
代理人
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