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发明名称
BUILT IN BREATHING SYSTEM REGULATOR/MASK ASSEMBLY
摘要
申请公布号
GB8709820(D0)
申请公布日期
1987.05.28
申请号
GB19870009820
申请日期
1987.04.24
申请人
RANSOM, A
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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