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经营范围
发明名称
Hydrogen ion meter
摘要
申请公布号
US2340641(A)
申请公布日期
1944.02.01
申请号
US19400343332
申请日期
1940.07.01
申请人
B. D. EISENDRATH TANNING CO.
发明人
CAMERON ANGUS E.
分类号
G01N27/416
主分类号
G01N27/416
代理机构
代理人
主权项
地址
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