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发明名称
VORRICHTUNG ZUR ERMITTLUNG DER ABWEICHUNG DES QUERSCHNITTES EINGEBAUTER ROHRE VON ZULAESSIGEN TOLERANZGRENZEN.
摘要
申请公布号
DE1750579(U)
申请公布日期
1957.08.14
申请号
DE195700D4418U
申请日期
1957.06.29
申请人
DEUTSCHE BABCOCK & WILCOX-DAMPFKESSEL-WERKE AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
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