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发明名称
METHOD AND DEVICE FOR INDICATING TIME OF ENTIRE CONSUMPTION OF ORGANIC VAPOR*GAS BREATHING MASK CARTRIDGE
摘要
申请公布号
JPS5385993(A)
申请公布日期
1978.07.28
申请号
JP19770156759
申请日期
1977.12.27
申请人
AMERICAN OPTICAL CORP
发明人
JIYON EE JIYONZU
分类号
A62B9/00;A62B18/08;B01D53/44;B01D53/81;B01J20/28;G01N21/77;G01N21/78
主分类号
A62B9/00
代理机构
代理人
主权项
地址
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