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经营范围
发明名称
Internally stressed bolt
摘要
申请公布号
GB1136280(A)
申请公布日期
1968.12.11
申请号
GB19660040042
申请日期
1966.09.07
申请人
P & O RESEARCH AND DEVELOPMENT CO. LTD.
发明人
LAWSON WILLIAM MILLAR
分类号
F16B31/04
主分类号
F16B31/04
代理机构
代理人
主权项
地址
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