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发明名称
Rohrleger-Hilfsgeraet
摘要
申请公布号
DE911796(C)
申请公布日期
1954.05.20
申请号
DE1952D013558
申请日期
1952.11.13
申请人
DEUTSCH & NEUMANN
发明人
分类号
F16L1/00;F16L55/105
主分类号
F16L1/00
代理机构
代理人
主权项
地址
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