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发明名称
VENTILLOSE ANBOHRSCHELLE FUER UNTER DRUCK STEHENDE ROHRLEITUNGEN.
摘要
申请公布号
DE1840740(U)
申请公布日期
1961.11.02
申请号
DE1958SC22536U
申请日期
1958.06.03
申请人
J. SCHMITZ & CO.
发明人
分类号
B23B41/08
主分类号
B23B41/08
代理机构
代理人
主权项
地址
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