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发明名称
MANUFACTURE OF WELDING STUDS
摘要
申请公布号
GB1514481(A)
申请公布日期
1978.06.14
申请号
GB19740022716
申请日期
1975.08.13
申请人
CROMPTON PARKINSON LTD
发明人
分类号
B21J13/14;B21K1/44;B23K35/02;(IPC1-7):B21K1/44
主分类号
B21J13/14
代理机构
代理人
主权项
地址
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