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经营范围
发明名称
IMPROVED CERAMIC WELDING PROCESS
摘要
申请公布号
GB8927252(D0)
申请公布日期
1990.01.31
申请号
GB19890027252
申请日期
1989.12.01
申请人
COAL INDUSTRY (PATENTS) LIMITED
发明人
分类号
B23K35/02;B23K35/24;B23K35/32
主分类号
B23K35/02
代理机构
代理人
主权项
地址
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