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发明名称
Salivation testing methods and devices
摘要
申请公布号
US2850903(A)
申请公布日期
1958.09.09
申请号
US19570633962
申请日期
1957.01.14
申请人
PAUL SCHWERIN
发明人
SCHWERIN PAUL
分类号
A61B10/00;G01N31/22
主分类号
A61B10/00
代理机构
代理人
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