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发明名称
摘要
申请公布号
DE2219112(A1)
申请公布日期
1972.10.26
申请号
DE19722219112
申请日期
1972.04.19
申请人
发明人
分类号
F16K5/02;F16K5/12;(IPC1-7):F16K5/12
主分类号
F16K5/02
代理机构
代理人
主权项
地址
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