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发明名称
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摘要
申请公布号
US2308918(A)
申请公布日期
1943.01.19
申请号
US19400368558
申请日期
1940.12.05
申请人
HEINRICH HERTEL;JUSTUS MUTTRAY
发明人
HERTEL HEINRICH;MUTTRAY JUSTUS
分类号
B64C1/14
主分类号
B64C1/14
代理机构
代理人
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