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发明名称
Filtered vacuum vault for storing collectibles
摘要
A vault for storing collectibles has a system for forcibly entering an incoming air, which after it has been filtered exits the vault along with undesirable substances trapped in a vault chamber.
申请公布号
US6547845(B2)
申请公布日期
2003.04.15
申请号
US20010915253
申请日期
2001.07.26
申请人
GRANT JAMES E.
发明人
GRANT, SR. JAMES E.
分类号
B01D46/24;(IPC1-7):B01D29/00
主分类号
B01D46/24
代理机构
代理人
主权项
地址
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