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发明名称
Gaerrohr
摘要
申请公布号
DE684086(C)
申请公布日期
1939.11.22
申请号
DE1936H149191D
申请日期
1936.10.15
申请人
CARL A. HARTUNG
发明人
HARTUNG CARL A.
分类号
G01N7/20
主分类号
G01N7/20
代理机构
代理人
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