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经营范围
发明名称
Compressor suction valve
摘要
申请公布号
US2506751(A)
申请公布日期
1950.05.09
申请号
US19450626535
申请日期
1945.11.03
申请人
ALLEN TRASK
发明人
TRASK ALLEN
分类号
F04B39/00
主分类号
F04B39/00
代理机构
代理人
主权项
地址
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