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发明名称
Wanderpfeiler
摘要
申请公布号
DE713684(C)
申请公布日期
1941.11.13
申请号
DE1939G099461D
申请日期
1939.02.05
申请人
FRITZ GRUENDER
发明人
GRUENDER FRITZ
分类号
E21D15/60
主分类号
E21D15/60
代理机构
代理人
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