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发明名称
Gas meter
摘要
申请公布号
US1827974(A)
申请公布日期
1931.10.20
申请号
US19280291067
申请日期
1928.07.07
申请人
LEE DEZENDORF RICHARD
发明人
DEZENDORF RICHARD LEE
分类号
G01F3/22
主分类号
G01F3/22
代理机构
代理人
主权项
地址
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