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发明名称
High vacuums
摘要
申请公布号
US2530356(A)
申请公布日期
1950.11.14
申请号
US19450599315
申请日期
1945.06.13
申请人
THE DOW CHEMICAL COMPANY
发明人
HUNTER MELVIN J.
分类号
C09K3/00;F04F9/00
主分类号
C09K3/00
代理机构
代理人
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地址
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