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发明名称
PUMP SEAL CONSTRUCTION
摘要
申请公布号
CA448359(A)
申请公布日期
1948.05.04
申请号
CAD448359
申请日期
申请人
THOMPSON PRODUCTS
发明人
RUSSELL R. CURTIS
分类号
主分类号
代理机构
代理人
主权项
地址
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