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发明名称
Compression air valve tester
摘要
申请公布号
US1807287(A)
申请公布日期
1931.05.26
申请号
US19290341096
申请日期
1929.02.19
申请人
HENKEL FRANK N
发明人
HENKEL FRANK N.
分类号
G01M3/28
主分类号
G01M3/28
代理机构
代理人
主权项
地址
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