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发明名称
Rotary pump shaft bearing and seal
摘要
申请公布号
US2316565(A)
申请公布日期
1943.04.13
申请号
US19400329756
申请日期
1940.04.15
申请人
GEO. D. ROPER CORPORATION
发明人
COLLIER WINTHROP F.
分类号
F16C33/74;F16J15/38
主分类号
F16C33/74
代理机构
代理人
主权项
地址
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