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发明名称
INSEKTENRINGE ZUR SCHAEDLINGSBEKAEMPFUNG.
摘要
申请公布号
DE1617174(U)
申请公布日期
1950.12.07
申请号
DE194800D8444U
申请日期
1948.10.01
申请人
NORDDEUTSCHE AFFINERIE
发明人
DR. FRANZ SPIESS
分类号
主分类号
代理机构
代理人
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