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经营范围
发明名称
Breathing apparatus
摘要
申请公布号
US2751035(A)
申请公布日期
1956.06.19
申请号
US19510261091
申请日期
1951.12.11
申请人
ETABLISSEMENTS R. SCHNEIDER
发明人
POELMAN ARMAND JACQUES JULIEN
分类号
A62B9/04;A62B19/00;A62B23/00;F16K31/122
主分类号
A62B9/04
代理机构
代理人
主权项
地址
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