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发明名称
ROTARY SEAL ASSEMBLY
摘要
申请公布号
US3567231(A)
申请公布日期
1971.03.02
申请号
USD3567231
申请日期
1968.12.04
申请人
SINGER-GENERAL PRECISION INC.
发明人
WILLIAM C. ALBERT
分类号
F16J15/40;(IPC1-7):F16J15/40
主分类号
F16J15/40
代理机构
代理人
主权项
地址
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