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发明名称
BREATHING APPARATUS
摘要
申请公布号
GB8920178(D0)
申请公布日期
1989.10.18
申请号
GB19890020178
申请日期
1989.09.06
申请人
SMITH, KARL W;STEWART, JOHN S S;RICHARDS, BRIAN J
发明人
分类号
主分类号
代理机构
代理人
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