| 专利名称 | UNIDIRECTIONAL VALVE FOR FLUID WITH SIMULTANEOUS HELD GUARANTEE OF AGAINST the FLUID PENETRATION OUTSIDE, ALSO WITHOUT the EMPLOYMENT OF a VISCOUS LAYER FOR the ELASTIC MEMBRANE AND the RELATIVE CENTER OF ESTATE | ||
| 申请号 | IT339389 | 申请日 | |
| 公开（公告）号 | IT1234039B | 公开（公告）日 | |
| 申请（专利权）人 | ICA SPA BOLOGNA TAPLAS DI EVANS SANTAGIULIANA C S N C VICENZA | 发明人 | EVANS SANTAGIULIANA; GINO RAPPARINI |
| 专利来源 | 国家知识产权局 | 转化方式 | |
| 摘要 |
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主管部门：海南中小企业服务 | 建设单位：海南商业联合会
版权所有：海南商业联合会 | 备案号：粤ICP备13083911号（ICP加挂服务）@2017
