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经营范围
发明名称
Absperrventil
摘要
申请公布号
DE1137612(B)
申请公布日期
1962.10.04
申请号
DE1953D015878
申请日期
1953.09.04
申请人
DRAEGERWERK HEINR. & BERNH. DRAEGER
发明人
分类号
F16K41/12
主分类号
F16K41/12
代理机构
代理人
主权项
地址
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