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发明名称
Staubdichte Krone
摘要
申请公布号
CH519743(A)
申请公布日期
1971.11.15
申请号
CH19700011919
申请日期
1970.08.07
申请人
MEYER & CO. S. A.
发明人
SEGUIN,RENE
分类号
G04B37/10;(IPC1-7):G04B37/10
主分类号
G04B37/10
代理机构
代理人
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