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发明名称
DEVICE THAT FORM COLLAR AROUND HOLE OF WALL OF PIPE
摘要
申请公布号
JPS5557335(A)
申请公布日期
1980.04.28
申请号
JP19790131267
申请日期
1979.10.11
申请人
SERLACHIUS OY
发明人
HARUDEI RAGUNBARUDO HAARUSUTOR
分类号
F16L9/00;B21C37/29;B21D41/02
主分类号
F16L9/00
代理机构
代理人
主权项
地址
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