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发明名称
APPARATUS FOR WITHDRAWING GASES FROM MOVING WORKING MEMBER
摘要
申请公布号
SU707735(A1)
申请公布日期
1980.01.05
申请号
SU19772439571
申请日期
1977.01.03
申请人
DEMIDCHIK EVGENIJ ,SU
发明人
DEMIDCHIK EVGENIJ ,SU
分类号
B23K37/00;(IPC1-7):B23K37/00
主分类号
B23K37/00
代理机构
代理人
主权项
地址
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