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发明名称
EDUCATIONAL APPLIANCE FOR DETERMINING MEAN COEFFICIENT OF LINEAR EXPANSION OF METALS
摘要
申请公布号
SU903947(A1)
申请公布日期
1982.02.07
申请号
SU19802967037
申请日期
1980.07.25
申请人
GOZMAN EVGENIJ B,SU
发明人
GOZMAN EVGENIJ B,SU
分类号
G09B23/06;(IPC1-7):G09B23/06
主分类号
G09B23/06
代理机构
代理人
主权项
地址
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