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发明名称
Dispositif pour réduire les pertes de vapeur dans les joints à labyrinthe
摘要
申请公布号
FR812092(A)
申请公布日期
1937.04.29
申请号
FRD812092
申请日期
1936.07.06
申请人
发明人
WEGMANN ERNST
分类号
F16J15/447
主分类号
F16J15/447
代理机构
代理人
主权项
地址
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