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发明名称
Atmungsgeraet mit offenem Atemkreis fuer Taucher
摘要
申请公布号
DE1026655(B)
申请公布日期
1958.03.20
申请号
DE1954S041830
申请日期
1954.12.04
申请人
LA SPIROTECHNIQUE
发明人
GAGNAN EMILE
分类号
B63C11/22
主分类号
B63C11/22
代理机构
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