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发明名称
Apparatus for controlling pressure
摘要
申请公布号
US2488090(A)
申请公布日期
1949.11.15
申请号
US19420461665
申请日期
1942.10.12
申请人
MCINTOSH ROBERT R
发明人
MCINTOSH ROBERT R.
分类号
B61C1/10
主分类号
B61C1/10
代理机构
代理人
主权项
地址
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