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发明名称
Sealing unit
摘要
申请公布号
US2445018(A)
申请公布日期
1948.07.13
申请号
US19450621437
申请日期
1945.10.10
申请人
BRADY JR FRANCIS E
发明人
JR. FRANCIS E. BRADY,
分类号
F16J15/36
主分类号
F16J15/36
代理机构
代理人
主权项
地址
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