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发明名称
MEJORAS INTRODUCIDAS EN
摘要
申请公布号
ES163200(A2)
申请公布日期
1944.03.01
申请号
ES19000001632
申请日期
1943.09.25
申请人
ING. JOHANNES WOTSCHKE
发明人
分类号
(IPC1-7):B01
主分类号
(IPC1-7):B01
代理机构
代理人
主权项
地址
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