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经营范围
发明名称
Lubricant seal
摘要
申请公布号
US2347953(A)
申请公布日期
1944.05.02
申请号
US19410422787
申请日期
1941.12.13
申请人
MORRIS KATCHER
发明人
KATCHER MORRIS
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
主权项
地址
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