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发明名称
Method of and apparatus for controlling air flow in pneumatic systems
摘要
申请公布号
US1813487(A)
申请公布日期
1931.07.07
申请号
US19280313249
申请日期
1928.10.18
申请人
THE LAMSON COMPANY
发明人
EMERSON MERTON L.
分类号
B65G51/26
主分类号
B65G51/26
代理机构
代理人
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