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发明名称
Smoke detector changing device
摘要
申请公布号
US2004217608(A1)
申请公布日期
2004.11.04
申请号
US20030738125
申请日期
2003.12.16
申请人
KELLY ROBERT
发明人
KELLY ROBERT
分类号
G08B29/14;(IPC1-7):A47F13/06
主分类号
G08B29/14
代理机构
代理人
主权项
地址
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