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发明名称
摘要
申请公布号
DE1650449(A1)
申请公布日期
1971.03.11
申请号
DE19671650449
申请日期
1967.12.01
申请人
发明人
分类号
F16K31/06;(IPC1-7):F16K31/06
主分类号
F16K31/06
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代理人
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地址
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