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发明名称
RESPIRATOR CARTRIDGES
摘要
申请公布号
HK22181(A)
申请公布日期
1981.05.29
申请号
HK19810000221
申请日期
1981.05.21
申请人
AMERICAN OPTICAL CORP
发明人
分类号
A62B9/00;A62B18/08;B01D53/44;B01D53/81;B01J20/28;G01N21/77;G01N21/78;(IPC1-7):A62B19/00
主分类号
A62B9/00
代理机构
代理人
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地址
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