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经营范围
发明名称
Chemical apparatus
摘要
申请公布号
US1993001(A)
申请公布日期
1935.03.05
申请号
US19340719447
申请日期
1934.04.07
申请人
GEYER WILLIAM O
发明人
GEYER WILLIAM O.
分类号
B01L3/02
主分类号
B01L3/02
代理机构
代理人
主权项
地址
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