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发明名称
SECURING HARD METAL PARTS TOGETHER
摘要
申请公布号
ZA8900474(B)
申请公布日期
1989.10.25
申请号
ZA19890000474
申请日期
1989.01.20
申请人
ERWIN HAPPEL
发明人
ERWIN HAPPEL
分类号
B23K
主分类号
B23K
代理机构
代理人
主权项
地址
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