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发明名称
Hardness testing machine
摘要
申请公布号
US2154823(A)
申请公布日期
1939.04.18
申请号
US19370120764
申请日期
1937.01.15
申请人
GEORG REICHERTER
发明人
REICHERTER GEORG
分类号
G01N3/42
主分类号
G01N3/42
代理机构
代理人
主权项
地址
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