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经营范围
发明名称
Improvements in hose couplings
摘要
申请公布号
GB917993(A)
申请公布日期
1963.02.13
申请号
GB19610006552
申请日期
1961.02.22
申请人
KARL WEINHOLD
发明人
分类号
F16L33/12
主分类号
F16L33/12
代理机构
代理人
主权项
地址
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