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发明名称
Haertepruefer zur Bestimmung der Haertezahl aus der aufgewendeten Belastung
摘要
申请公布号
DE815555(C)
申请公布日期
1951.10.04
申请号
DE1950W001326
申请日期
1950.03.07
申请人
OTTO WOLPERT-WERKE G.M.B.H.
发明人
SCHULTZE WERNER;WOLPERT OTTO DIPL.-ING.
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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