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经营范围
发明名称
Stuffing box and gland
摘要
申请公布号
US1817867(A)
申请公布日期
1931.08.04
申请号
US19300434647
申请日期
1930.03.10
申请人
BAILEY MARTIN C
发明人
BAILEY MARTIN C.
分类号
F16J15/18
主分类号
F16J15/18
代理机构
代理人
主权项
地址
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