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发明名称
Gas blast breaker with separately actuated blast valve and tank filling valve
摘要
申请公布号
US2521460(A)
申请公布日期
1950.09.05
申请号
US19470760258
申请日期
1947.07.11
申请人
ALLIS-CHALMERS MANUFACTURING COMPANY
发明人
JANSSON GUSTAV E.
分类号
H01H33/56
主分类号
H01H33/56
代理机构
代理人
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地址
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