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发明名称
Gas regulation and pressure control apparatus
摘要
申请公布号
US2270304(A)
申请公布日期
1942.01.20
申请号
US19380246331
申请日期
1938.12.17
申请人
OXWELD ACETYLENE COMPANY
发明人
JACOBSSON WILGOT J.
分类号
G05D16/16
主分类号
G05D16/16
代理机构
代理人
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