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经营范围
发明名称
Breathing apparatus
摘要
申请公布号
GB2064335(A)
申请公布日期
1981.06.17
申请号
GB19800037769
申请日期
1980.11.25
申请人
COAL INDUSTRY (PATENTS) LTD
发明人
分类号
A62B7/10;(IPC1-7):A62B7/02
主分类号
A62B7/10
代理机构
代理人
主权项
地址
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