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发明名称
SHAFT SEAL
摘要
申请公布号
CA420840(A)
申请公布日期
1944.06.13
申请号
CAD420840
申请日期
申请人
SIMPLEX PRODUCTS CORPORATION
发明人
RALPH C. THOMPSON
分类号
主分类号
代理机构
代理人
主权项
地址
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