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发明名称
Pressure reduction chamber and unloading valve for explosives
摘要
申请公布号
US2504611(A)
申请公布日期
1950.04.18
申请号
US19460649850
申请日期
1946.02.25
申请人
MYRON ZANDMER SOLIS
发明人
ZANDMER SOLIS MYRON
分类号
E21B43/263;F42D1/10
主分类号
E21B43/263
代理机构
代理人
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地址
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