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发明名称
METALLIC FILTERS WELDING METHOD FOR NATURAL GAS TAKE-OFF BY MEANS OF ARC WELDING
摘要
申请公布号
CS242251(B1)
申请公布日期
1986.04.17
申请号
CS19810005416
申请日期
1981.07.15
申请人
SLYSKO,PAVEL,CS
发明人
SLYSKO,PAVEL,CS
分类号
B23K9/23;(IPC1-7):B23K9/23
主分类号
B23K9/23
代理机构
代理人
主权项
地址
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