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发明名称
Hebilla extensible construida por dos pinzas corredizas una dentro de otro, mantenidas en retracción por dos muebles espirales que actua por compresión contra la cabeza de una
摘要
申请公布号
ES15379(U)
申请公布日期
1947.08.01
申请号
ES19790000153U
申请日期
1947.07.02
申请人
MARANO, ANTONIO
发明人
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