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经营范围
发明名称
Improvements in joints for pipes
摘要
申请公布号
GB478845(A)
申请公布日期
1938.01.26
申请号
GB19360029666
申请日期
1936.10.31
申请人
HOWARD PHILIP SMITH
发明人
分类号
F16L37/00
主分类号
F16L37/00
代理机构
代理人
主权项
地址
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