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发明名称
Messgeraet zur Bestimmung der Wandstaerke von Hohlkoerpern, insbesondere Rohren
摘要
申请公布号
DE578424(C)
申请公布日期
1933.06.14
申请号
DENDATF072161D
申请日期
申请人
FOCKE-WULF FLUGZEUGBAU A.-G.
发明人
分类号
G01B5/30
主分类号
G01B5/30
代理机构
代理人
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地址
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