| 发明名称 |
PROTECTIVE HEADGEAR AND OPTICAL-FILTER CARTRIDGE REMOVABLY MOUNTABLE THERETO |
| 摘要 |
Protective headgear and an optical filter cartridge that is removably mountable thereto, and methods of removably inserting such a cartridge and removing such a cartridge. |
| 申请公布号 |
EP2953492(A1) |
申请公布日期 |
2015.12.16 |
| 申请号 |
EP20140749141 |
申请日期 |
2014.01.28 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
LILENTHAL, NIKLAS |
| 分类号 |
A42B3/32;A42B3/18;A61F9/06 |
主分类号 |
A42B3/32 |
| 代理机构 |
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