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发明名称
Pressure controlling apparatus
摘要
申请公布号
US2441592(A)
申请公布日期
1948.05.18
申请号
US19420453860
申请日期
1942.08.06
申请人
JOY MANUFACTURING COMPANY
发明人
PAGET WIN W.
分类号
B64D13/04
主分类号
B64D13/04
代理机构
代理人
主权项
地址
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