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发明名称
Grouting device for pipe connections
摘要
申请公布号
GB974648(A)
申请公布日期
1964.11.11
申请号
GB19630000263
申请日期
1963.01.02
申请人
WILHELM PASS;WERNER PASS
发明人
分类号
F16L13/10;F16L33/12
主分类号
F16L13/10
代理机构
代理人
主权项
地址
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