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发明名称
摘要
申请公布号
FR2488672(B1)
申请公布日期
1984.02.10
申请号
FR19810012431
申请日期
1981.06.24
申请人
GERDTS GMBH CO KG GUSTAV
发明人
分类号
F16K31/145;F16K31/44;(IPC1-7):F16K31/44;F16K31/14;F16K35/10;F22B37/00
主分类号
F16K31/145
代理机构
代理人
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地址
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