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发明名称
Flask heater
摘要
申请公布号
US2450981(A)
申请公布日期
1948.10.12
申请号
US19450590256
申请日期
1945.04.25
申请人
PRECISION SCIENTIFIC CO.
发明人
NEWMAN ALEXANDER I.
分类号
B01L7/00
主分类号
B01L7/00
代理机构
代理人
主权项
地址
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