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发明名称
Pressure indicating device
摘要
申请公布号
US2024752(A)
申请公布日期
1935.12.17
申请号
US19310563730
申请日期
1931.09.19
申请人
DU PONT CELLOPHANE COMPANY, INC.
发明人
VALENTINE RALPH E.
分类号
G01L27/00
主分类号
G01L27/00
代理机构
代理人
主权项
地址
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