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发明名称
ARS WORKING SPHERICAL PARTS
摘要
申请公布号
SU1622089(A1)
申请公布日期
1991.01.23
申请号
SU19884495318
申请日期
1988.10.17
申请人
VNI PI TEKHNOLOGII KHIM NEFTYANOGO APPARATOSTROENIYA
发明人
VASILEV VIKTOR M,SU;NIKITIN VYACHESLAV V,SU
分类号
B23K37/04
主分类号
B23K37/04
代理机构
代理人
主权项
地址
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