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发明名称
Locking device for pipe joints
摘要
申请公布号
US2505631(A)
申请公布日期
1950.04.25
申请号
US19470794950
申请日期
1947.12.31
申请人
WEBSTER CORPORATION
发明人
WEBSTER HENRY N.
分类号
F16L37/54
主分类号
F16L37/54
代理机构
代理人
主权项
地址
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