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经营范围
发明名称
Removable pipe plug
摘要
申请公布号
US2590860(A)
申请公布日期
1952.04.01
申请号
US19470789009
申请日期
1947.12.01
申请人
ROBERT HOEBEKE
发明人
HOEBEKE ROBERT
分类号
F16L55/136;G01M3/02
主分类号
F16L55/136
代理机构
代理人
主权项
地址
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