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经营范围
发明名称
Gas regulator
摘要
申请公布号
US2952272(A)
申请公布日期
1960.09.13
申请号
US19530351892
申请日期
1953.04.29
申请人
HANSEN DONALD J
发明人
HANSEN DONALD J.
分类号
F02M21/00;G05D16/06
主分类号
F02M21/00
代理机构
代理人
主权项
地址
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