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经营范围
发明名称
Als Hohlkoerper ausgebildete Drehklappe
摘要
申请公布号
DE699819(C)
申请公布日期
1940.12.06
申请号
DE193600E8634D
申请日期
1936.08.06
申请人
ESCHER WYSS MASCHINENFABRIKEN AKT.-GES.
发明人
分类号
F16K1/22
主分类号
F16K1/22
代理机构
代理人
主权项
地址
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