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发明名称
Safety system
摘要
申请公布号
US2165569(A)
申请公布日期
1939.07.11
申请号
US19350043394
申请日期
1935.10.03
申请人
OBERMSIER JOHN A
发明人
OBERMSIER JOHN A.
分类号
F25B49/00
主分类号
F25B49/00
代理机构
代理人
主权项
地址
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