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经营范围
发明名称
Improvements in or relating to tubular bodies
摘要
申请公布号
GB821899(A)
申请公布日期
1959.10.14
申请号
GB19570020196
申请日期
1957.06.26
申请人
LONZA ELECTRIC AND CHEMICAL WORKS LIMITED
发明人
分类号
F16L9/12;F16L11/133;F16L59/14
主分类号
F16L9/12
代理机构
代理人
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地址
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