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发明名称
ARRANGEMENT FOR VOLUMETRIC STRAIN OF CAVITIES IN HEADS OF STEM PARTS OF SCREW TYPE
摘要
申请公布号
SU686809(A1)
申请公布日期
1979.09.25
申请号
SU19782585034
申请日期
1978.03.02
申请人
SUNDUKOV ANATOLIJ K,SU
发明人
SUNDUKOV ANATOLIJ K,SU
分类号
B21K1/50;(IPC1-7):B21K1/50
主分类号
B21K1/50
代理机构
代理人
主权项
地址
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