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发明名称
Dual pneumatic controller
摘要
申请公布号
US2550666(A)
申请公布日期
1951.05.01
申请号
US19490075679
申请日期
1949.02.10
申请人
BILYEU GERALD I
发明人
BILYEU GERALD I.
分类号
主分类号
代理机构
代理人
主权项
地址
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