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经营范围
发明名称
Improvements in or relating to labyrinth shaft packing glands
摘要
申请公布号
GB651921(A)
申请公布日期
1951.04.11
申请号
GB19480017994
申请日期
1949.06.09
申请人
SIDNEY HAMILTON FREDERICK;THE PARSONS AND MARINE ENGINEERING TURBINE RESEARCH AND DEVELOPMENT ASSOCIATION
发明人
分类号
F16J15/44
主分类号
F16J15/44
代理机构
代理人
主权项
地址
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