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发明名称
Meter
摘要
申请公布号
US1776189(A)
申请公布日期
1930.09.16
申请号
US19290333124
申请日期
1929.01.17
申请人
LEWIS LESTER A
发明人
LEWIS LESTER A.
分类号
G01C9/22
主分类号
G01C9/22
代理机构
代理人
主权项
地址
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