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经营范围
发明名称
Seal between relatively rotatable parts
摘要
申请公布号
US2587222(A)
申请公布日期
1952.02.26
申请号
US19490086214
申请日期
1949.04.08
申请人
SIGMUND PUMPS LIMITED
发明人
RIESTER WILHELM FREDERICK KARL
分类号
F16J15/38
主分类号
F16J15/38
代理机构
代理人
主权项
地址
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