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经营范围
发明名称
Diaphragm-type mechanical seal
摘要
申请公布号
US2465499(A)
申请公布日期
1949.03.29
申请号
US19460703817
申请日期
1946.10.17
申请人
CRANE PACKING COMPANY
发明人
VOYTECH CHARLES F.
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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