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经营范围
发明名称
UNDERWATER WELDING
摘要
申请公布号
ZA7407083(B)
申请公布日期
1975.11.26
申请号
ZA19740007083
申请日期
1974.11.04
申请人
AFRICAN OXYGEN LTD
发明人
LYTHALL D;MARSHALL D
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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