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发明名称
摘要
申请公布号
NL7206286(A)
申请公布日期
1972.07.25
申请号
NL19720006286
申请日期
1972.05.10
申请人
发明人
分类号
F04F5/20;F04F5/46;F04F5/54;F04F9/04;F16K17/04;F16K31/363;F16K51/02;F16L55/00;(IPC1-7):F04F5/54;F16K31/36;F16K51/00
主分类号
F04F5/20
代理机构
代理人
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地址
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