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发明名称
Pressure regulators for gas meters
摘要
申请公布号
US2826214(A)
申请公布日期
1958.03.11
申请号
US19520276332
申请日期
1952.03.13
申请人
ELSTER & CO. A. G.
发明人
VOLKER ULRICH
分类号
G05D16/06
主分类号
G05D16/06
代理机构
代理人
主权项
地址
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