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发明名称
Wanderpfeiler
摘要
申请公布号
DE721807(C)
申请公布日期
1942.06.19
申请号
DE1938R102664D
申请日期
1938.06.24
申请人
PAUL RHODE
发明人
RHODE PAUL
分类号
E21D15/60
主分类号
E21D15/60
代理机构
代理人
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