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发明名称
Forming a lump on the end of a pipe
摘要
申请公布号
GB2059837(A)
申请公布日期
1981.04.29
申请号
GB19790024265
申请日期
1979.07.12
申请人
MOTIZUKI T
发明人
分类号
B21J5/08;B21J9/08;B21K1/76;(IPC1-7):B21J5/08;B21J1/06
主分类号
B21J5/08
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代理人
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