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发明名称
ZELLEN-LUFTERHITZER.
摘要
申请公布号
DE1641306(U)
申请公布日期
1952.07.24
申请号
DE194800D5622U
申请日期
1948.11.22
申请人
WALTHER & CIE. AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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