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发明名称
摘要
申请公布号
BE722132(A)
申请公布日期
1969.03.14
申请号
BED722132
申请日期
1968.10.10
申请人
发明人
分类号
B23K1/018;B23K3/047
主分类号
B23K1/018
代理机构
代理人
主权项
地址
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